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) - Hindi: Newton's second law of motion (Hindi)
Newton's second law of motion is F = ma, or force is equal to mass times acceleration. Learn how to use the formula to calculate accelerati…
VideoFree9
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Class 11 Physics (India): Area expansion coefficient
Let's explore how to calculate changes in areas of things, when they are heated. By the way changes in area is also called superficial expa…
VideoFree9
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Class 12 Physics (India): Current due to closing a switch: worked example
Find the current due to closing a switch using equivalent resistance and Ohm's law. Class 12 Physics (India) It is now time to dive deeper …
VideoFree3
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Physics: Projectile motion (part 3)
An example of solving for the final velocity when you know the change in distance, time, initial velocity, and acceleration Physics Learn a…
VideoFree9 minutes
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Class 11 Physics (India): Boyle's law
Class 11 Physics (India) Let's learn, practice, and master topics of class 11 physics (NCERT) starting with kinematics and then moving to d…
VideoFree11
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Class 10 Physics (India): Why is the sky blue?
Let's explore why the sky is blue, why the sunset/sunrise is red, why are clouds white. It's all due to scattering of light by the molecule…
VideoFree10
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Class 11 Physics (India) - Hindi: Normal forces on Lubricon VI (Hindi)
Whether the normal force balances the force of gravity for a frozen sock or banana. Class 11 Physics (India) - Hindi To help students who p…
VideoFree7
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Class 11 Physics (India): Momentum: Ice skater throws a ball
A simple conservation of momentum problem involving an ice skater and a ball Class 11 Physics (India) Let's learn, practice, and master top…
VideoFree6 minutes
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Physics: Convex parabolic mirrors
Convex Parabolic Mirrors Physics Learn about the basic principles that govern the physical world around us. Solid understanding of algebra …
VideoFree6 minutes
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Physics: Question 2ab: 2015 AP Physics 1 free response
Physics Learn about the basic principles that govern the physical world around us. Solid understanding of algebra and a basic understanding…
VideoFree12 minutes
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Physics: Inverse cube law (deflection method)
Attempt to measure the change in force of a magnet over a distance using the deflection of a compass. What is wrong with this approach? Phy…
VideoFree2 minutes
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Class 11 Physics (India): Intuition on static and kinetic friction comparisons
Why static friction is harder to overcome than kinetic friction Class 11 Physics (India) Let's learn, practice, and master topics of class …
VideoFree7 minutes
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Class 11 Physics (India) - Hindi: Angular momentum of an extended object (Hindi)
In this video Ram derives and shows how to use the formula for the angular momentum of an extended object. Class 11 Physics (India) - Hindi…
VideoFree9
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Class 11 Physics (India) - Hindi: Sound Properties (Amplitude, Period, Frequency, Wavelength) (Hindi)
Let's take a closer look at the ways we can describe sound. Class 11 Physics (India) - Hindi To help students who prefer to learn by watchi…
VideoFree7
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Class 11 Physics (India): Elastic and inelastic collisions
David explains what it means for a collision to be elastic or inelastic. Class 11 Physics (India) Let's learn, practice, and master topics …
VideoFree14 minutes