Khan Academy: 2757 products
Khan Academy is an organization on a mission. We're a not-for-profit with the goal of changing education for the better by providing a free world-class education for anyone anywhere.
All of the site's resources are available to anyone. It doesn't matter if you are a student, teacher, home-schooler, principal, adult returning to the classroom after 20 years, or a friendly alien just trying to get …
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Class 11 Physics (India): Thermodynamics part 2: Ideal gas law
To begin, Sal solves a constant temperature problem using PV=PV. Then he relates temperature to kinetic energy of a gas. In the second half…
VideoFree10 minutes
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Physics: Electrolyte (strong acid test)
Experimenting with a strong acid as electrolyte and observing the change in deflection compared to weak acid (vinegar) Physics Learn about …
VideoFree1 minute
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Physics: Neutralize a compass
How to neutralize a compass using two needles. How could this help us later? Why does this work? Physics Learn about the basic principles t…
VideoFree1 minute
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Class 11 Physics (India): Formal definition of the derivative as a limit
The derivative of function f at x=c is the limit of the slope of the secant line from x=c to x=c+h as h approaches 0. Symbolically, this is…
VideoFree16
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Class 11 Physics (India): Scientific notation example: 0.0000000003457
Can you imagine if you had to do calculations with very, very small numbers? How would you handle all those zeros to the right of the decim…
VideoFree4
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Class 11 Physics (India): Introduction to centripetal force
Introduction to centripetal force, which accelerates an object toward the center of the circular path. Class 11 Physics (India) Let's learn…
VideoFree6
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Class 11 Physics (India): Masses on incline system problem
In this video David explains how to find the acceleration and tension for a system of masses involving an incline. Class 11 Physics (India)…
VideoFree10 minutes
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Class 10 Physics (India): Refraction through glass slab
Let's explore refraction of light through any parallel sided medium. Will also see why things appear to shift (lateral shift) when looked t…
VideoFree11
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Class 11 Physics (India): Why use I beams in construction?
When constructing buildings, why do we always use beams which have a cross-sectional shape of I? Let's explore this intuitively in this vid…
VideoFree8
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Class 11 Physics (India) - Hindi: Worked example: motion problems (with definite integrals) (Hindi)
What can you say about the velocity and position of a particle given its acceleration? Class 11 Physics (India) - Hindi To help students wh…
VideoFree10
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Class 11 Physics (India) - Hindi: Stress and Strain (Hindi)
To measure the elasticity of any material we need to define two quantities. Stress and strain. In this video let's explore what these are a…
VideoFree12
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Class 12 Physics (India): Capacitance
Introduction to the capacitance of a two-plate capacitor. Class 12 Physics (India) It is now time to dive deeper into the world of physics …
VideoFree14 minutes
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Class 11 Physics (India) - Hindi: Total displacement for projectile (Hindi)
Calculating the total final velocity for a projectile landing at a different altitude. Class 11 Physics (India) - Hindi To help students wh…
VideoFree11
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Class 11 Physics (India): Impact velocity from given height
Determining how fast something will be traveling upon impact when it is released from a given height Class 11 Physics (India) Let's learn, …
VideoFree12 minutes
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Physics: Work and energy (part 2)
More on work. Introduction to Kinetic and Potential Energies. Physics Learn about the basic principles that govern the physical world aroun…
VideoFree10 minutes