Complete Physics Video Lectures and Video solutions of Miscellaneous problems for 11th and 12th
Subject Physics Medium ENGLISH
Faculty SSI Sir Status Active
Category COMPLETE COURSE Lecture 475
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Lecture# Description Duration
01 Variables, functions, angles, units of angles (Degree & radion) , conversion of units, Trigonometric ratios/ functions, values of trigonometric ratios, values of trigonometric ratios for angles grater than 90°, 36 Minutes
02 unit circle method, CAST rule. Trigonometric formula, sine rule & cosine rule , Logrithem , exponential and inverse functions. 1 Hr 03 Minutes
03 oordinate geometry , slope of a line , equation of straight line, parabola , ellipse, circle and rtectangular hyperbola. 30 Minutes
04 Differentiation, geometrical meaning of differentiation, slope of a line, formulae for differentiation, rules of differentiation- addition/subtraction rule, product rule, quotient rule, constant multiple rule, chain rule. 43 Minutes
05 Higher order Differentiation , implicit functions , important problems . 25 Minutes
06 Differentiation  as rate measurement, maxima & minima. 50 Minutes
07 Integration, geometrical meaning of integration, formulae of integration, 16 Minutes
08 Definite integration,  rules of integration, addition/ subtraction rule, method of substitution. Integration by parts, Integration as area under curve, indefinite integration , area under curve.   48 Minutes
09 ntroduction to vectors, null vector, unit vector, negative of a vector, graphical representation and mathematical representation of a vector, angle b/w two given vectors, 36 Minutes
10 Resolution of vector.Addition of vectors, triangle method and parallelogram method, substraction of vectors. 26 Minutes
11 Dot product and its uses. 27 Minutes
12 Cross product and its uses ,  right hand screw rule 48 Minutes



Lecture# Description Duration
01 Rest & motion, distance & displacement, speed, average speed ,  time average and space average,  instantaneous speed, Uniform speed and non uniform speed, 49 Minutes
02 velocity, average and instantaneous velocity, acceleration, average and instantaneous acceleration. 41 Minutes
03 Equations of kinematics with constant acceleration, steps used to solve the problems based on equation of kinematics, motion under gravity. 41 Minutes
04 graphical analysis, some important graphs, conversion of graphs, information collected from graphs. 16 Minutes
05 Variable acceleration, steps used to solve the problems based on variable acceleration, when acceleration is dependent on time, distance and velocity. 21 Minutes


Lecture# Description Duration
01 Ground to ground projectile, time of flight, net velocity, trajectory equation, maximum height, 40 Minutes
02  horizontal range.Projection at complementary angles from ground, some important  relations and problems. 22 Minutes
03 Problems based on ground to ground projectile. 20 Minutes
  • Projectile from tower projected horizontally, , time of flight, net velocity, trajectory equation, horizontal range
  • Projectile from tower projected above horizontal, time of flight, net velocity, trajectory equation, maximum height.  horizontal range
  • Projectile from tower projected below horizontal. time of flight, net velocity, trajectory equation, horizontal range
40 Minutes
05 Problem on projectiles from tower 17 Minutes
  • Projectile from inclined plane, projected up the incline plane , time of flight, net velocity, trajectory equation, maximum height. range
  • Projectile from inclined plane, projected down the incline plane , time of flight, net velocity, trajectory equation, maximum height. Range
41 Minutes
07 Problems based on projectile on incline plane. 19 Minutes

Projectiles from moving platform, Collision of a projectile with vertical wall, some miscellaneous examples.

41 Minutes



Lecture# Description Duration
01 Introduction to relative motion, one dimensional relative motion and two dimensional relative motion . Uses of equations of kinematics in 1D relative motion. 48 Minutes
02 uses of equations of kinematics in 2D relative motion , Velocity of approach and velocity of separation in 1D, Velocity of approach and velocity of separation in 2D, condition for two particles to collide, minimum separation b/w two moving particle, time taken to come at minimum separation miscellaneous problems . 45 Minutes
03 miscellaneous problems 32 Minutes
04 River boat problem in one dimension. 18 Minutes
05 River boat problem in two dimensions, direct crossing, minimum time taken to cross the river, minimum drift , minimum velocity 45 Minutes
06 Wind-aeroplane problem. Rain man problem, some illustrations. 48 Minutes


Newton’s laws of motion (NLM)

Lecture# Description Duration
01 Force, fundamental forces, normal force, tension force, Newton’s lst law, 2nd law , and 3rd law, equation of motion, Inertia.  50 Minutes
02 free body diagram ,Equilibrium, types of equilibrium, steps to solve the problems based on equilibrium, problems 48 Minutes
03 steps used to solve the problems of accelerated motion, problems , atwood machine 32 Minutes
04  Constrained motion, string constraint, displacement method, tension method, differentiation method, two block one pulley system, 36 Minutes
05 constrained motion when string is inclined, wedge constraint.  32 Minutes
06 Weighing machine, motion inside lift, apparent weight, weightlessness, spring balance , spring and spring force. 42 Minutes
07 Reference frame, inertial frame and non-inertial frame, pseudo force, illustrations  31 Minutes
08 Newton’s laws for system , problems 25 Minutes


Lecture# Description Duration
01 Introduction to friction, properties of friction. Kinetic friction,coefficient of kinetic friction.  45 Minutes
02 Static friction, coefficient of static friction, self adjustable nature of static friction, driving force,    graph relating friction with driving force. 46 Minutes
03 Contact force, angle of friction, minimum force required to slide a block , why pulling is easier than pushing? 31 Minutes
04 Angle of repose, minimum and maximum force on the inclined plane so that block does not   move , graph 27 Minutes
05 System of two blocks, steps used to check the slipping b/w two blocks, problems 39 Minutes
06 System of three blocks and miscellaneous examples.  29 Minutes


Lecture# Description Duration
01 Introduction to work, definition of work, point of application of force. Calculation of work done when force is constant 35 Minutes
02  Sign of work done . work done by  variable force, 28 Minutes
03 work done from force-displacement graph, work done by friction, normal and gravity 24 Minutes
04 work done by  spring force.Work done by variable force  along given path, conservative and non-conservative forces 28 Minutes
05 methods to identify conservative forces , Del-operator, curl, Potential energy, its definition, external agent, 42 Minutes
06 relation b/w conservative force and potential energy, how to find P.E. if conservative force is given and vise-versa. Refrence line ,  gravitational Potential energy and spring potential energy 41 Minutes
07 Equilibrium, types of equilibrium, stable, unstable and neutral equilibrium. 26 Minutes
08 Kinetic energy , Work energy theorem, some examples. 17 Minutes
09 Problems based on work energy theorem 26 Minutes
10 Energy conservation, some examples, power, instantaneous power and average power. 26 Minutes



Lecture# Description Duration
01 Similarities b/w translational and rotational motion, angular displacement and its direction . 34 Minutes
02 angular velocity and angular acceleration, equations of circular kinematics. 37 Minutes
03 Relation b/w linear and rotational quantities, tangential acceleration centripetal/redial/normal acceleration. Total acceleration. 33 Minutes
04 Time period , frequency , angular frequency , Problems 23 Minutes
05 Radius of curvature of path, radius of curvature in projectile motion. 32 Minutes
06 Types of circular motion, horizontal circular motion. Some important examples. Steps used to solve the problems based on circular dynamics. Vertical circular motion, some important examples. 50 Minutes
07 Vertical circular motion of a ball attached with string , vertical circular motion of a ball attached with light rod. 35 Minutes
08 Problems , Banking of roads with  and without friction. 26 Minutes
09 Centrifugal force, its direction and magnitude. Some examples. 33 Minutes



Lecture# Description Duration
01 Center of Mas, definitions, Type of  mass distribution, discrete and continuous mass distribution, linear mass density, surface mass density, volume mass density. Calculation of com for system of particles. Com of system of two particles. 42 Minutes
02 Calculation of com for continuous mass distribution, com of rod, semi-circular ring, semi-circular disc, solid hemi-sphere, hollow hemi-sphere, solid cone. 51 Minutes
03 Com of a body with hole, problems 25 Minutes
04 Motion of com, velocity of com, acceleration of com, impulsive force, impulse, impulse-momentum equation, important examples.Conservation of momentum, some important conclusions and examples. 48 Minutes
05 Miscellaneous  problems 19 Minutes
06 Some important points related to center of mass and miscellaneous problems. 40 Minutes
07 Spring mass system, steps to solve  the problems based on spring-mass-system. Problems , Collision, line of impact, coefficient of restitution, 39 Minutes
08 classification of collision, head-on-inelastic collision, head on elastic collision, head on-perfectly in elastic collision. Problems on collision. 39 Minutes
09 collision with heavy mass.   Oblique collision, problems 30 Minutes
10 oblique collision with wall , problems 27 Minutes
11 Variable mass, thrust force, rocket propulsion. 28 Minutes



Lecture# Description Duration
01 Definitions of periodic motion, oscillatory motion, and SHM, frequency, time period, amplitude, angular frequency.Differential equation of SHM, equation of SHM, 32 Minutes
02 SHM as projection of uniform circular motion, phase, 30 Minutes
03 Problems on phase , equation of SHM when mean position is not at origin. 30 Minutes
04 Velocity, acceleration and displacement of particle in terms of time (t) and displacement (x). Graphs, potential, kinetic and total energy in terms of time (t) and displacement (x), important graphs. 54 Minutes
05 Force method to find the time period, spring mass system , 47 Minutes
06 problems on force method, combinations of springs , springs in series , springs in parallel, 17 Minutes
07 energy methods to find the time period and Problems on spring mass system 46 Minutes
08 Angular SHM ,Differential equation of angular SHM, equation of angular SHM, method to find the time period in angular SHM 30 Minutes
09 Time period of simple pendulum, time period of simple pendulum when forces other than gravity and tension are also present, effective g. Fractional and percentage error , error in measurement of g, time period of simple pendulum when length of wire is comparable to radius of earth, Compound pendulum, its time period, minimum time period, 52 Minutes
10 Problems on compound pendulum , Torsional pendulum. 22 Minutes
11 Superposition of two parallel SHMs and perpendicular SHMs. 40 Minutes


Lecture# Description Duration
01 Assumptions for Ideal gas, Average velocity, Average speed, RMS speed, Most Probable speed,  Maxwell’s velocity distribution graph. 31 Minutes
02 Miscellaneous problems related to calculation of RMS speed , average speed , most probable speed. 20 Minutes
03 Derivation of Ideal gas equation, calculation of kinetic energy of molecules 23 Minutes
04 Degree of Freedom, Maxwell’s law of Equipartition of energy and Internal energy. 17 Minutes
05 Mean Free Path, Some miscellaneous problems. 33 Minutes
06 Specific Heat Capacity, Adiabatic Exponent and gaseous mixture , molecular weight , Cp , Cv  and γ of gaseous mixture. 33 Minutes
07 Work done by gas when pressure is constant and when pressure is variable, indirect method of calculation of work done by gas, work done from PV diagram. 26 Minutes
08 Problems based on calculation of work done by gas. 35 Minutes
09 Zeroth law of Thermodynamics, first law of Thermodynamics, Sign convention for Heat supplied, work done by gas and change in Interval energy .problems based on 1st law of thermodynamics. 39 Minutes
10 Thermodynamics processes ,Isochoric process, Isobaric process, Isothermal process, , calculation of heat supplied & Specific Heat Capacity of all the processes. 25 Minutes
11 Adiabatic process ,  Polytropic process, calculation of heat supplied & Specific Heat Capacity of these processes. 31 Minutes
12 Cyclic process, Heat Engine and its Efficiency, carnot cycle 27 Minutes
13 Refrigerator and its Coefficient of Performance,  20 Minutes
14 Miscellaneous problems and Free Expansion. 31 Minutes


Lecture# Description Duration
01 Variation in pressure inside liquid with height, problems 32 Minutes
02 Problems , Inclination of liquid surface in static condition, rotation of container filled with liquid.  44 Minutes
03 Archimedes principle  and force of buoyancy , Pascal’s law, 41 Minutes
04 atmospheric pressure, Gauge pressure, Absolute pressure, Barometer, and Manometer. 20 Minutes
05 Force applied by liquid on base of container and wall of container.Center of gravity, Center of Buoyancy, Meta-center, stability of completely submerged body and partially submerged body , metacentre. 56 Minutes
06 Types of flow, Uniform and Non-Uniform flow, Laminar and Turbulent flow, Reynolds number, Equation of continuity, Volume flow rate and Mass flow rate, Bernoulli theorem. 42 Minutes
07 Applications of Bernoulli theorem, 21 Minutes
08 Venturimeter, velocity of Efflux, Syphon  action. 29 Minutes



Lecture# Description Duration
01 Specific Heat Capacity, Heat Capacity, Specific Heat Capacity of water, 20 Minutes
02 definition of unit of Calorie, Latent heat, Latent Heat of Fusion, Latent Heat of Vaporization. 20 Minutes
03 change of State (Phase) of water with Temperature, illustrations. 18 Minutes
04 Problems , temperature scale.. 44 Minutes



Lecture# Description Duration
01 Linear expansion, Coefficient of Linear expansion, Differential expansion 18 Minutes
02 effect of Temperature on pendulum clock, error in measurement by metallic scale, 25 Minutes
03 Bimetallic strip, thermal stress 22 Minutes
04 Areal expansion, Coefficient of Areal expansion, relation between α and β, expansion of holes inside metallic plate. Coefficient of Volume expansion, relation between α and γ, 28 Minutes
05 Effect of Temperature on Density, Real and Apparent expansion of liquids. 37 Minutes



Lecture# Description Duration
01 Surface Tension ,wetted perimeter 31 Minutes
02 Surface Energy, cause of Surface Tension.Excess Pressure inside liquid drop, Excess pressure inside Soap bubble. Radius of curvature of common surface of double bubble. 49 Minutes
03 Cohesive force and Adhesive force, shape of liquid surface, Angle of contact.Capillary rise and illustrations. 33 Minutes
04 Capillary action with mercury , radius of lower meniscus 28 Minutes
05 Some miscellaneous problems 18 Minutes



Lecture# Description Duration
01 Definition and classification of wave, Mechanical & Non mechanical waves, Transverse & Longitudinal  waves, Progressive and Stationary waves 29 Minutes
02 Differential form of wave equation, General form of equation of Progressive wave, information that can be collected from general form of wave equation 26 Minutes
03 How to find wave equation in terms of x and t when equation is given in terms of either x or t. wave on string introduction,Wavelength,Time period ,Frequency, Angular frequency, Wave number, Wave speed and velocity of particle, acceleration of particle, slope of string, direction of velocity of particle, 51 Minutes
04 Expanded form of standard equation of wave .  relation b/w Phase difference and Path difference, relation  b/w Phase difference and Time difference 34 Minutes
05 Derivation of speed of wave on string, examples 25 Minutes
06 Instantaneous and Average power transmitted by wave, Instantaneous and average intensity of a wave on string 33 Minutes
07 Superposition of waves,Interference,Resultant intensity, Constructive and Destructive Interference , miscellaneous problems. 1 Hr 02 Minutes
08 Reflection and Transmission of wave from one to other medium, effect of Reflection and Transmission on frequency, speed, Wavelength and Phase.
equation of reflected and transmitted waves. Amplitudes of reflected and transmitted wave
32 Minutes
09 Stationary waves,  Nodes and Anti-nodes, Phase difference, properties of stationary waves. 59 Minutes
10 Equation of stationary waves , vibration of string fixed at both ends, vibration of string fixed at one end.Resonance, Sonometer, Melde's experiment 39 Minutes
11 kinetic energy and potential energy of small element of string. 30 Minutes



Lecture# Description Duration
01 Introduction to Sound wave, variation of pressure with time and distance, variation in density and position with time. 24 Minutes
02 Equation of sound wave, relation b/w pressure Amplitude and Displacement Amplitude. Phase difference b/w Pressure wave and Displacement wave. Speed of Sound wave, Newton’s formula and La-place corrections. 32 Minutes
03 Dependence of speed of sound on Temperature, Pressure and relative Humidity. Intensity of sound wave, Wave front, Shape of wave-front for point source, Line source and Plane source.  Variation of Intensity with distance from source. 44 Minutes
04 Comparison of two sound waves. Sound level, relative Sound Level, Pitch , waveform and quality of sound. Superposition of two sound waves, interference constructive and destructive interference, Reflection of Sound, Echo. 44 Minutes
05 Stationary wave in sound, vibrations of Air column in Organ pipes, Open Organ Pipe and Closed Organ Pipe 36 Minutes
06 Resonance Tube method to find the speed of sound, Beats. 30 Minutes
07 Doppler’s effect, when observer is moving and source is stationery, when source is moving and observer is stationary, when both source and observer are moving. 40 Minutes
08 Doppler’s effect When medium is also moving.miscelleneous problems. 44 Minutes


Lecture# Description Duration
01 Elasticity, Plasticity, Deforming force, The reason behind Elastic and Plastic behaviour, Restoring force, Stress, Longitudinal Stress, Shear Stress and Bulk Stress, Strain, Longitudinal Strain, Shear Strain, Bulk Strain. Hook’s law, Modulus of Elasticity, Young’s Modulus, Modulus of Rigidity, Bulk Modulus, Compressibility, 41 Minutes
02 Variation of Strain with Deforming force, Elastic Limit, Yield point, Fracture point, elongation in wire due to self weight. Analogy with spring, Spring constant of a wire Elastic Potential energy stored in the deformed wire. 25 Minutes
03 Viscosity, Velocity Gradient, Viscous Force, Stoke’s forces Terminal Velocity. 28 Minutes



Lecture# Description Duration
01 Fundamental Quantities, Derived Quantities and Supplementary Quantities, Dimensions, Dimensional formula, some important concept (points) about dimensions, 27 Minutes
02 Problems on dimensions, Dimensional Analysis. Units, System of Units and conversion of Units. 26 Minutes



Lecture# Description Duration
01 Newton’s law of gravitation, gravitational field due to point mass, circular arc, circular ring, circular disc, long rod, infinite plate, hollow sphere and solid sphere 43 Minutes
02 variation in acceleration due to gravity with height and depth, effect of rotation of earth, effect of shape of earth. 27 Minutes
03 Gravitational potential, gravitational potential due to point mass, circular arc, circular ring, circular disc, hollow sphere, solid sphere, relation b/w gravitational field and gravitational potential . 31 Minutes
04 Gravitational potential energy, P.E. of two point mass system, self energy of hollow sphere and solid sphere, miscellaneous examples. 30 Minutes
05 Motion of satellite, orbital velocity, time period, energy of satellite, binding energy, escape velocity, geostationary satellite. 26 Minutes
06 Kepler's  laws,  path of a satellite according to its projection velocity.  Miscellaneous examples. 47 Minutes


Lecture# Description Duration
01 Introduction, similarities b/w rotational and translational motion. Rigid body, types of motion of rigid body. 32 Minutes
02 Moment of inertia definitions, calculation of MOI of a point mass, MOI of system of particles, MOI of a rod, 33 Minutes
03 MOI of ring, MOI of disc, MOI of solid sphere, MOI of hollow sphere, MOI of cone, MOI of solid cylinder, MOI of hollow cylinder 1 Hr
04 Perpendicular axes theorem, parallel axes theorem. MOI of a body with hole 1 Hr 08 Minutes
05  Radius of Gyration. Torque, Calculation of torque, 55 Minutes
06 Force couple, point of application. 20 Minutes
07 Rotational and translational equilibrium. 33 Minutes
08 Rotational equation of motion accelerated rotational motion. Some important examples. 54 Minutes
09 Combined motion, rolling motion, slipping, skidding, perfect rolling, 1 Hr 01 Minutes
10 Some important problems, trajectory of a point on wheel performing perfect rolling and radius of curvature of trajectory. 31 Minutes
11 instantaneous axis of rotation,  rotational K.E. , conversion of imperfect rolling to perfect rolling 1 Hr 14 Minutes
12 Direction of friction in perfect rolling , Angular momentum, calculation  of angular momentum, 36 Minutes
13 calculation  of angular momentum, 30 Minutes
14 conservation of angular momentum in pure rotational motion , in pure translational motion  and in combined motion , angular impulse momentum equation. 39 Minutes
15 Collision of a particle with rigid body 23 Minutes
16 Toppling and sliding. 34 Minutes


Lecture# Description Duration
01 Methods of heat transfer, conduction, convection and radiation. steady state, temperature gradient. Laws of conduction. Analogy with electric current  31 Minutes
02 Problems on conduction, 1D heat transfer, 2D heat transfer, 3D heat transfer. Formation of ice layer on lake water surface. 36 Minutes
03 Convection, Radiation, Reflection power, Absorption power, Transmittance power, Black body. Ferry’s block body. Emissive power of a body, Spectral emissive power, absorptive power, spectral absorptive power.  Emissivity of a body, Prevost's heat exchange theory 34 Minutes
04 Kirchhoff’s law of radiation, Stefan’s law of heat radiation, rate of cooling 
Newton’s law of cooling
24 Minutes
05 Average temperature method, integration method. Black body radiation, Wien's displacement law, solar constant 27 Minutes


Geometrical optics

Lecture# Description Duration
01 law of rectilinear propagation of light, Law of independence of light rays, Law of reversibility, Laws of reflections, types of reflection, regular  and  diffused reflection, Plane  mirror, definition of Object and Image, virtual and real Object/Image. Image formation by plane mirror, Important points about Image formation by plane mirror, motion of object and its Image 52 Minutes
02 Problems on motion of object and image in 3D, Rotation of Mirror and Incident ray  46 Minutes
03 Problems , Images formed by two mutually inclined mirrors, field of view-  50 Minutes
04 Problems, Angle of deviation due to reflection  16 Minutes
05 Curved mirrors, some definitions (terms) related with curved mirrors. Paraxial rays, focal plane.  42 Minutes
06 sign conventions,  Mirror formula, magnifications 28  Minutes
07 ray diagram  28 Minutes
08 problems, some examples, multiple reflections  34 Minutes
09 motion of object and image, lateral magnifications  46 Minutes
10 1/v versus 1/u graphs, U-V graphs, Newton’s mirror formula  59 Minutes
11 Refraction, Refractive index, Snell’s laws, some important points to remember, refraction through plane surface and parallel slabs.  46 Minutes
12 Image formation due to refraction through plane surface, actual depth and apparent depth, problems 41  Minutes
13 Lateral shift, Normal shift, combination of mirror and slabs 42  Minutes
14 critical angle, total internal reflection, circle of illuminance, deviation due to refraction through plane surface  40 Minutes
15 Prsim, Prism angle, angle of emergence, deviation by prism, condition for no emergence, angle of  deviation by prism in terms of angle of incidence and angle of emergence. Condition for minimum deviation, minimum deviation  41 Minutes
16 maximum deviation,thin prisms,  deviation by thin prism 23  Minutes
17 Cauchy’s equation, dispersion, mean deviation, angular dispersion, Dispersive power of Prism, combination of Prisms, Achromatic combination ,combination for direct vision  54 Minutes
18 Refraction through curved surface, formula relating “v” and “u”,  27 Minutes
19 Problems lateral and longitudinal magnification, motion of object and image.  27 Minutes
20 Thin lenses, classification of thin lenses, Lens maker’s formula and Lens formula-  35 Minutes
21 lateral and longitudinal magnification, Ray diagrams,  28 Minutes
22 sign convention, Image formation, Problems,  45 Minutes
23 problems , some important points to remember  28 Minutes
24 motion of Object and  image, , 1/v versus 1/u graphs, U-V graphs-  39 Minutes
25 power of lens, combination of lenses in contact. Combination of two lenses separated by distance “d”, combination of lenses and mirror in contact, focal  length when one face of a thin lens is silvered  56 Minutes
26 Displacement method to find the focal length of a lens,  15 Minutes



Lecture# Description Duration
01 Introduction to charge, properties of charge 43  Minutes
02 Coulombs law, permittivity, relative permittivity, principal of superposition 52 Minutes
03 Electric field and its strength due to a point charge , due to circular arc , due to circular ring 35 Minutes
04 Electric field due to circular disc, infinite layer of charge , due to large conducting and non conducting sheets 43 Minutes
05 Electric field due to straight conductor and related problems 40 Minutes
06 Electric field due to non conducting solid sphere , hollow sphere and related problems 43 Minutes
07 Electric field inside cavity and electrostatic pressure. 25 Minutes
08 Electric potential, Electric potential due to a point charge , due to circular arc , due to circular ring , due to circular disc 31 Minutes
09 Relation between electric field and electric potentials , Electric field due to Non conducting solid sphere and hollow sphere 48 Minutes
10 potential difference due to infinite layer of charge and infinitely long line charge, Equipotential surface 34 Minutes
11 Electric potential energy, potential energy of two point charge system , potential energy of point charge system, methods to find the potential energy of point charge system 42 Minutes
12 self energy of hollow sphere, self energy of solid sphere, energy density , Potential energy of interaction 41 Minutes
13 Problems on self energy and interaction energy ,  Electric line of forces (ELOF), properties of  ELOF 17 Minutes
14 Electric flux, solid angle and use of solid angle to find the electric flux 58 Minutes
15 Gauss theorem, uses of Gauss theorem to find electric field due to hollow sphere 28 Minutes
16 Electric field due to solid sphere/long line charge/solid cylindrical charged body/hollow cylindrical charged body by using gauss theorem 31 Minutes
17 Electric dipole, Electric dipole moment, Electric field due to dipole on axial point/equatorial line/at general point 32 Minutes
18 Electric potential due to dipole on axial point/equatorial line/at general point, Force and Torque experienced by a dipole in external uniform electric field, potential energy of dipole in external uniform electric field, force on dipole in non uniform electric field, force between two dipoles 52 Minutes
19 Conductor, Earthing of  a conductor , electrostatic shielding 28 Minutes
20 charge distribution on inner and outer surface of concentric conducting spheres, , when two charged conductors are connected by a conducting wire 39 Minutes
21 charge distribution on a conductor surfaces in the presence of external electric field 52 Minutes

Current Electricitty

Lecture# Description Duration
01 Current definition, Instantaneous current, Average current, current due to Circular and Translational motion of charge, Current through a conductor, Current density 33 Minutes
02 mechanism of current flow. Relaxation time. Mean Free Path, Drift velocity, Resistance, Resistivity, Conductivity, Ohm’s law, Relation b/w current density & Electric field 29 Minutes
03 Calculation of Resistance in different cases, , dependence of resistance on length & cross sectional area when wire is stretched, Effect of temperature on Resistance, Resistance in 2 D & 3 D current flow. 31 Minutes
04 Battery, EMF, some important points about electrical circuits, Potential difference across battery, short circuit, and maximum power dissipated by a battery 1 Hrs 04 Minutes
05 Kirchhoff’s junction law and voltage/loop law. Point potential method to solve the circuits. 37 Minutes
06 combination of resistances, series and parallel combinations, Wheat stone bridge, 39 Minutes
07 Method of symmetry, Infinite series of Resistances 38 Minutes
08 combination of batteries .series and parallel combination of batteries,mixed combinations, combination of ideal batteries. 40 Minutes
09 Electrical instruments, Galvanometer, sensitivity of Galvanometer, conversion of Galvanometer into Ammeter and Voltmeter. 45 Minutes
10 Problems on galvanometer, ammeter and voltmeter 28 Minutes
11 Potentiometer, Uses of Potentiometer to compare the EMF's of two batteries, to find the internal resistance and EMF of a battery, Meter bridge, zero error 51 Minutes
12 Post-office box, rating of electrical instruments like bulb and heater 45 Minutes


Lecture# Description Duration
01 Introduction to capacitor, types of capacitor, parallel plate capacitor, spherical capacitor, cylindrical capacitor 43 Minutes
02 energy stored in a capacitor, work done by battery, heat loss, energy density,some problems.a conductor as a capacitor  41 Minutes
03 Combination of capacitors, series & parallel combination. wheat stone bridge 36 Minutes
04 Method of symmetry, Infinite series, point potential method, important problems Combination of two charged capacitors, some important problems 49 Minutes
05 Problems on combinations of charged capacitors, combinations of conductors- 42 Minutes
06 Charging of capacitor, variation of charge , voltage and current with time ,steady state, graphs 34 Minutes
07 Discharging of capacitor, time constant, variation in charge, voltage, current with time. Method to find the time constant of a circuit 39 Minutes
08 Circuits with capacitors and resistors, problems 31 Minutes
09 Dielectrics b/w plates of capacitor change in capacitance, charge and energy with dielectric. 29 Minutes
10 Some important problems related to dielectric 29 Minutes
11 Force on dielectric when battery remains connected, motion of dielectric. Force on dielectric when battery is removed, leakage current, dielectric strength 36 Minutes

Magnetic field

Lecture# Description Duration
01 Natural magnet ,pole strength , magnetic dipole moment 20 Minutes
02 magnetic field produced by Natural magnet at axial point , at Equatorial point and at general point, natural magnet in external magnetic field, Force ,Torque and potential energy of a magnet in external magnetic field. Force between two magnets- 37 Minutes
03 magnetic effect of  charge and current, some important points , Right hand screw rule 28 Minutes
04 Biot savort’s law , Right hand palm rule. Magnetic field produced by straight conductor 30 Minutes
05 Shape of magnetic lines of forces around a conductor, some important problems 43 Minutes
06 Circular arc and circular loop, solenoid and troid, magnetic field produced by solenoid and toroid 53 Minutes
07 Magnetic field produced by moving charge, Biot savort’s law for moving charge. Magnetic field due to circular motion of charge 26 Minutes
08 closed loop as a magnet . . magnetic dipole moment of closed loop, magnetic dipole moment of rotating charged bodies 26 Minutes
09 ampere’s law , application of ampere’s law to find the magnetic field due to straight long conductor and long cylindrical conductor 29 Minutes
10 problems on  magnetic field due to cylindrical cavity inside a cylindrical conductor 25 Minutes
11 Lorentz’s force, magnetic force on moving charge, motion of charge in external magnetic field , motion on circular path, important problems 47 Minutes
12 motion of charge  on helical path with constant pitch, motion on helical path with increasing pitch, 34 Minutes
13 Motion of charge  on cycloid path 27 Minutes
14 magnetic force on a current carrying conductor, magnetic force between two straight current carrying conductors 27 Minutes
15 Important problems ,magnetic force and torque on closed loop in external magnetic field 28 Minutes
16 Earth as a magnet, magnetic and geographical axis, magnetic and geographical meridian, angle of declination, angle of dip, horizontal & vertical component of earth’s magnetic field 29 Minutes

Electromagnetic induction (EMI)

Lecture# Description Duration
01 Magnetic flux, Faraday’s law, EMF induced, EMF induced due to change in area of loop, due to change in magnetic field ,due to rotation of loop, Lenz’s rule, examples 35 Minutes
02 Important Examples on Lenz’s rule 23 Minutes
03 Motional EMF, calculation of motional EMF, use of Motional EMF in circuit as battery, 32 Minutes
04 Important problems on motional EMF 38 Minutes
05 motional EMF due to rotation of conductor in external magnetic field. 24 Minutes
06 Induced electric field due to varying magnetic field, Calculation of Induced electric field in varying magnetic field in cylindrical region 36 Minutes
07 Self inductance, Inductor, potential difference across an inductor, Energy stored in an inductor, Inductor in a circuit 27 Minutes
08 Current Growth in an inductor, Time constant, current decay in an inductor 37 Minutes
09 Mutual induction, Mutual Inductance ,combination of inductors, series and parallel combination, 35 Minutes
10 LC oscillator and problems 28 Minutes


Alternating current (AC)

Lecture# Description Duration
01 AC/DC introduction, RMS and Average value of Alternating EMF and current, 35 Minutes
02 Important problems , AC circuits, circuit containing Resistor only, circuit containing capacitor  only, circuit containing Inductor  only 36 Minutes
03 Steps to find instantaneous current in AC circuit, reactance, Impendence,  phasor diagram, LCR series circuit, Quality factor 38 Minutes
04 LC circuit, RC circuit, LR circuit. Examples on AC series circuits 32 Minutes
05 Average  and instantaneous power , Apparent  power , power factor, wattles current Parallel AC circuits 52 Minutes
06 Problems on parallel circuits , Choke coil and Transformer 50 Minutes


Modern Physics

Lecture# Description Duration
01 Dual nature of Light, matter-waves, Debroglie’s formula for wavelength of  matter-waves. Graphes relating different parameters of Photon and matter waves, example 41 Minutes
02 Photometry, Energy of Photon, power incident and Intensity of light assuming particle nature of light, Impulse , Force & Pressure exerted by incident Photons 56 Minutes
03 Problems on photometry, motion of Photon under gravity 24 Minutes
04 Photo electric Effect, Work function of a metal, Threshold Energy/Threshold frequency/Threshold wavelength of an incident photon, Maximum kinetic energy of photo-electron, Graphs 37 Minutes
05 Photo-current, Saturation current, stopping potential, problems 50 Minutes
06 graphs plotted by Einstein and conclusions from those graphs, Failure of classical wave theory and  explanations given by quantum theory 23 Minutes
07 Atomic structure, Dalton’s law, Thomson’s Plums pudding theory, Rutherford’s Atomic model, Bohr’s  Atomic model and his 4 postulates 24 Minutes
08 Bohr model and  Derivations for Radius of orbit, Energy of Orbit, velocity of electron in an orbit, frequency of electron 31 Minutes
09 q/m ratio in an orbit,Ground and Excited states, Ionisation Energy and ionisation  potential, Excitation Energy and Excitation potential, Binding energy of electrons 28 Minutes
10 Hydrogen emission spectrum, Lymen series, Balmer series, Paschen series, Pfund series, series limits 38 Minutes
11 Recoil speed of atoms , problems on atomic structure ,Hydrogen absorption spectrum 28 Minutes
12 Atomic collisions, problems on atomic collisions 27 Minutes
13 Energy and radius of orbit when nucleus in motion.X-ray introduction, Production of X-ray, Types of  X-rays, continuous X rays. accelerating voltage 41 Minutes
14 Characteristics X-rays, cut-off wavelength, ,K-alpha/K-beta/L-alpha/L-beta characteristics X-rays and their wavelength/ frequency, Mosley’s law ,Graphs and problems on X-rays 35 Minutes

Nuclear Physics

Lecture# Description Duration
01 introduction to nucleus , Atomic number, mass number, Isotopes, Isobars, Isotones,   Radius of nucleus, density of nucleus, forces inside nucleus, strong nuclear force, stability   of nucleus & N/Z ratio. 27 Minutes
02 Mass defect, Binding Energy, calculation of Binding energy, examples, alpha-particles, Beta particles, positron, neutrino, anti-neutrino 34 Minutes

Alpha particle emission, kinetic energy of alpha- particle and Gama-particle, Beta

         particle Emission, positron emission, K-capture
35 Minutes
04 Radioactivity, Law of disintegration, statistical law , decay constant, Activity of a sample ,Half life of a sample, Average life of a sample, Carbon Dating 37 Minutes
05 disintegration with production, successive Disintegration, simultaneous disintegration 27 Minutes
06 Binding energy per nucleon, stability of a nucleus depending on B/A, fission reaction, Fusion reaction, 24 Minutes
07 Nuclear reactor, types of reactors, Moderator, coolant, control rods,   Critical mass 25 Minutes


Wave Optics

Lecture# Description Duration
01 Wave nature of light, Wave front, wave fronts for point source/line source/plane source. Hygiene’s principle for wave nature of light, Maxwell’s electromagnetic wave theory of light, 34 Minutes
02  Interference of light waves, constructive and destructive interference of light, sustainable interference 31 Minutes
03 Young’s double slit experiment (YDSE), path difference, positions of bright and dark fringes, Fringe width, Total no. of maximas and minimas formed on screen, 26 Minutes
04 Problems on YDSE , YDSE with white light 23 Minutes
05 optical path difference, shift in fringe pattern when slabs are placed in front of slits , YDSE with oblique incidence 31 Minutes
06 YDSE with slabs and oblique incidence ,YDSE when apparatus Immersed inside liquid and slabs are also placed in front of slits, when slits are placed horizontally instead of vertical.Interference through thin films, Lloyd’s mirror, Fresnel’s Biprism 39 Minutes


Error & Measurement

Lecture# Description Duration
01 significant figures ,Least count , maximum uncertainity , rules to find significant figures  

Significant figures in arithmetic operations like addition/substraction/multiplication/division , rules of rounding , Least count , maximum permissible error, problems

03 Maximum permissible error in a dependent quantity. Fractional error, percentage error , other types of errors like errors due to external causes , instrumental errors , personal error/ chance errors. Errors in averaging in experiment, absolute errors. Example.  

measurement by screw gauge , its Least count , measurement by vernier callipers , its Least count  , zero error , examples.




Lecture# Description Duration
01 Energy band , valence band , conduction band , P type semi conductor and N type semi conductor , Holes , Doping 31 Minutes
02 Motion of Holes , current in semiconductor , conductivity of semiconductor , mobility of holes and electrons 21 Minutes
03 PN junction, biasing of PN junction, forward biased PN junction and Reversed biased PN junction, diffusion current and drift current, break down of PN junction diode, Zener and avalanche breakdown. 35 Minutes
04 Uses of PN junction as Rectifier , half wave rectifier , full wave rectifier, transistor , PNP transistor and NPN transistor 36 Minutes
05 Biasing of a transistor , basic transistor circuits , how transistor works? Uses of transistor as amplifier 37 Minutes
06 Uses of transistor as switch and in LC oscillation circuit , digital electronics, number systems ,decimal and binary number system 37 Minutes
07 Logic gates, Boolean expressions , OR gate ,  AND gate , NOT gate and truth table. 28 Minutes
08 NOR gate , NAND gate and XOR gate 23 Minutes

Electromagnetic waves

Lecture# Description Duration
01 Ampere Maxwell law, displacement current, electromagnetic wave, its properties and equation of electromagnetic waves. Intensity of Electromagnetic waves. Different types of Electromagnetic waves , their wavelength , their production and Detection 27 Minutes
02 some important problems on Displacement current and Electromagnetic waves 20 Minutes



Lecture# Description Duration
01 communication system  , modes of communications ,Transducer and Transmitter , signal , Noise , Receiver , Attenuation , Amplification , Range , Band width , Modulation , Demodulation 27 Minutes
02 Band widths of signal , analog signal and digital signal , Band widths of transmission medium , Line communication , Radio communication , Optical communication , Types of wave propagation , Ground wave propagation , sky wave propagation , space wave propagation. Height of Tower and maximum distance covered by transmission 39 Minutes
03 modulation and its necessity ,minimum length of antenna , types of modulation.Amplitude modulation ,side band frequencies , modulation index , disadvantages of amplitude modulation 26 Minutes
04 Frequency modulation ,frequency deviation , carrier swing , modulation index , frequency spectrum , deviation ratio.percent modulation,  Pulse modulation ,pulse amplitude modulation (PAM) , pulse width modulation (PWM) , pulse position modulation (PPM),Demodulation , important problems 31 Minutes


Optical Instruments

Lecture# Description Duration
01 Human eye, near point, far point, least distance of distinct vision, Eye defects, Near sightedness (myopia) and its remedy, far sightedness (Hypermetropia) and its remedy. Problems 36 Minutes
02 Magnifying power of optical instruments, simple microscope (magnifying glass), Magnification when image is formed at Least distance of distinct vision and magnification when image is formed at infinity. Compound microscope (magnifying glass) ,magnification when image is formed at Least distance of distinct vision and magnification when image is formed at infinity. 42 Minutes

Telescope, astronomical telescope , its magnification when image is formed at Least distance of distinct vision and magnification when image is formed at infinity. -

Terrestrial telescope , magnification when image is formed at Least distance of distinct vision and magnification when image is formed at infinity.

 Galilean Telescope , magnification when image is formed at Least distance of distinct vision and magnification when image is formed at infinity
37 Minutes


Diffraction,Resolution & Polarization

Lecture# Description Duration
01 Diffraction ,single slit Diffraction, some important points about diffraction, difference between Interference and diffraction 51 Minutes
02 Resolution , Rayleigh criteria for resolution , Resolution by simple microscope , resolution by telescope 33 Minutes
03 Polarization , polarizer , analyzer , plane of polarization , polarization by reflection , angle of polarization ,Brewster’s law 25 Minutes


Magnetic materials

Lecture# Description Duration
01 magnetic materials , paramagnetic ,ferromagnetic , Domain  and Diamagnetic materials,intensity of magnetisation 27 Minutes
02 magnetic intensity , magnetic susceptibility , curies law , permeability of medium , hysteresis loop , retentivity ,coercive force ,hysteresis loop of iron and steel 37 Minutes


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