CBSE Class 9 Physics Videos
Free Videos

Work & days
This video covers an application on work and time

Heredity and Evolution
Heredity and Evolution, Heredity and Variation

Spherical lens and its power
This video describes the way to solve problems based on lens formula to cal...

Refraction through lens
This video describes nature of image formed by partly covered lens
Motion
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Motion
Define acceleration and retardation in context with uniform and nonunifor...

Motion
Interpret and calculate the slope of distance. Time graphs for a body in u...

Motion
Derive and apply the three equations of motion using velocitytime graph f...

Motion
Interpret and calculate the slope of velocity. Time graphs for a body in u...

Motion
Define speed, velocity, average speed and average velocity in context with ...
Force and Laws of Motion
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Force and Laws of Motion
Explain Newton's first law of motion with Galileo's experiment. Establish...

Force and Laws of Motion
Define momentum and explain Newton's 2nd law of motion.

Force and Laws of Motion
Explain and derive the law of conservation of momentum and its real time a...

Force and Laws of Motion
Define state of rest & motion, motion is relative, position of an object, ...

Force and Laws of Motion
Explain and derive the law of conservation of momentum and its real time a...
Gravitation
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Gravitation
Define mass and weight, weight of the object on the moon, weightlessness, ...

Gravitation
Define up thrust or buoyant force, density and relative density, Archimede...

Gravitation
Define mass and weight, weight of the object on the moon, weightlessness, ...

Gravitation
Define up thrust or buoyant force, density and relative density, Archimede...

Gravitation
Define mass and weight, weight of the object on the moon, weightlessness, ...
Work and Energy
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Work and Energy
Define energy and its forms: kinetic energy and potential energy, unit of ...

Work and Energy
Define work and calculate the work done if the direction of force and displ...

Work and Energy
Explain the conversion of various forms of energies: mechanical, electrica...

Work and Energy
Define energy and its forms: kinetic energy and potential energy, unit of ...

Work and Energy
Define work and calculate the work done if the direction of force and disp...
Sound
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Sound
Define sound as wave, turning fork, production & propagation of sound. Ele...

Sound
Reflection and multiple reflections of sound waves, echo & reverberation p...

Sound
Working of human ear & its parts: the outer, middle & the inner ear. Range...

Sound
Define sound as wave, turning fork, production & propagation of sound. Ele...

Sound
Reflection and multiple reflections of sound waves, echo & reverberation p...
Free Videos

Word Problem based on LCM and HCF ...
This video explains the use of LCM and HC in solving a word problem.

Area of a shaded region ...
This video explains the Method of finding the Area of an equilateral triang...

Budding in yeast
This video describe Budding in yeast.

Fossils
This video explains the role of fossils in evolution.

Movements in Plants
This video describe Movements in Plants.
Motion
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speed of body in uniform circular motion ...
This video decribes the speed of a body in uniform circular motion.

Distance and displacement_0 ...
This video describes the difference netween distance covered and displaceme...

distance and displacement_2 ...
This video describes the displacement covered by a body during its journey.

second equation of motion
This video explains the relation between velocity and displacement

first equation of motion ...
This video describes the relation between velocity and acceleration
Force and Laws of Motion
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application of law of conservation of momentum_1 ...
This video helps to solve the application based numerical of conservation o...

application of law of conservation of momentum_2 ...
This video describes the concept of rcoil velocity

application of law of conservation of momentum_3 ...
This video describes the calculation of velocity of car caused due to the c...

change in momentum
This video explains the change in momentum caused in the motion of a ball

Application of momentum
This video explains the calculation of initial momentum and momentum of bal...
Gravitation
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Density and relative density ...
This video describes the calculation of density and relative density of a s...

Force and pressure
This video describes the relation between froce and pressure applied.

Mass and weight
This video state the differences between mass and weight

Freely falling bodies Second equation ...
This video describes the calculation of height using equation of motion dur...

Freely falling bodies Third equation ...
This video describes the calculation of speed and time based on equation of...
Work and Energy
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Power of electric appliance ...
This video describes the concept behind the power consumption by an electri...

Relation between commercial and SI unit of energy ...
This video describes the relationship between the commercial and SI unit of...

Conservation of energy
This video describes the calculation of potential and kinetic energy when a...

Potential energy
This video describes the calculation of height at which the object is place...

Potential energy
This video describes the calculation of ratios of potential energies using ...
Sound
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Wavelength and frequency
This video describes the calculation of wavelength of sound waves using the...

Frequency and time period
This video describes the calculation of frequency and time period when the ...

Characteristics of sound waves ...
This video describes the various characteristics of sound

Pitch and frequency
This video defines the characteristic of sound called pitch and what is the...

Factors affecting speed of sound ...
This video describes the factors affecting the speed of sound