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): Gravitational potential energy at large distances
Learn how to calculate gravitational potential energy when we can no longer assume the gravitational field is uniform. Class 11 Physics (In…
VideoFree5
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Class 12 Physics (India): Magnetic force on a proton example (part 2)
Sal determines the radius of the circle traveled by the proton in the previous example by using the formula for centripetal acceleration. C…
VideoFree11 minutes
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Class 12 Physics (India): Introduction to magnetism
An introduction to magnetism Class 12 Physics (India) It is now time to dive deeper into the world of physics with topics from class 12 (NC…
VideoFree11 minutes
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Class 11 Physics (India) - Hindi: Would a brick or feather fall faster? (Hindi)
What would fall faster on the moon, a brick or a feather? Class 11 Physics (India) - Hindi To help students who prefer to learn by watching…
VideoFree10
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Class 11 Physics (India): Basic derivative rules
Once you know how to take the derivative of x^n, it turns out you can take the derivative of any polynomial. Let's see why... Class 11 Phys…
VideoFree10
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Physics: Question 3c: 2015 AP Physics 1 free response
Analytically analyzing how doubling spring compression impacts stopping distance Physics Learn about the basic principles that govern the p…
VideoFree8 minutes
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Class 11 Physics (India): Standing waves in open tubes
Find out why a flute makes such specific notes Class 11 Physics (India) Let's learn, practice, and master topics of class 11 physics (NCERT…
VideoFree14 minutes
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Class 11 Physics (India): Graph interpretation word problem: basketball
When a function models a real-world context, we can learn a lot about the context from the function's graph. In this video, we interpret th…
VideoFree4
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Class 11 Physics (India): Would a brick or feather fall faster?
What would fall faster on the moon, a brick or a feather? Class 11 Physics (India) Let's learn, practice, and master topics of class 11 phy…
VideoFree11 minutes
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Physics: Entropy intuition
Introduces second law of thermodynamics. A discussion of entropy change in terms of heat and microstates . Physics Learn about the basic pr…
VideoFree19 minutes
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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 12 Physics (India): Absorption and emission
Using shell model diagram to relate absorption to emission. Derives relationship between emitted photon and energy levels, the Balmer-Rydbe…
VideoFree11 minutes
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Class 12 Physics (India): Zener diode voltage regulator
A Zener diode can limit the voltage across it, making it a voltage regulator! In this video, let's explore how a Zener diode can be used to…
VideoFree10
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Class 11 Physics (India): Recognizing vectors
Watch Sal figure out which of a few options could be represented by a vector. Remember that vectors have both magnitude and direction! Clas…
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Physics: Finding an in-between frame of reference
Let's use Einstein velocity addition to find a frame of reference where A and B are traveling in opposite directions at the same speed. Phy…
VideoFree8 minutes