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 12 Physics (India): Faraday's Law for generating electricity
How Faraday's Law is used to generate electricity in turbines. Class 12 Physics (India) It is now time to dive deeper into the world of phy…
VideoFree6 minutes
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Physics: Standard cell
Testing out a cell which holds the metals at a constant distance. We add it to salt water and then check the deflection. Can this be used a…
VideoFree1 minute
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Class 12 Physics (India): Magnitude of electric field created by a charge
In this video David explains how to find the magnitude of the electric field created by a point charge and solves a few examples problems t…
VideoFree10 minutes
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Class 11 Physics (India): Bernoulli's equation (part 3)
Sal finishes the example problem where liquid exits a hole in a container. Class 11 Physics (India) Let's learn, practice, and master topic…
VideoFree9 minutes
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Class 10 Physics (India): Concave lenses
Concave Lenses Class 10 Physics (India) Let's explore the mysteries of light and electricity. From how light reflects to correcting defects…
VideoFree3 minutes
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Physics: Build a ping pong ball launcher
This project shows you how to build a ping pong and test an adjustable ping pong ball launcher. Physics Learn about the basic principles th…
VideoFree10 minutes
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Class 12 Physics (India): Intro to semiconductors
Why are we obsessed with semiconductors? All our computers and digital devices are made from semiconductors. But what is so special about t…
VideoFree8
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Physics: AP Physics 1 review of 2D motion and vectors
In this video David quickly explains each 2D motion concept and does a quick example problem for each concept. Keep an eye on the scroll to…
VideoFree13 minutes
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Physics: Question 5: 2015 AP Physics 1 free response
Fundamental frequencies (first harmonics) of strings. Physics Learn about the basic principles that govern the physical world around us. So…
VideoFree12 minutes
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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
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Class 11 Physics (India): Adding & subtracting vectors
Sal shows how to add vectors by adding their components, then explains the intuition behind adding vectors using a graph. Class 11 Physics …
VideoFree8
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Physics: How much electrolyte does a single cell need?
Observation: when we pull our cell out of the electrolyte it still causes a deflection, which increases when pressure is applied. How could…
VideoFree1 minute
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Class 11 Physics (India): Graphically adding & subtracting vectors
Build intuition behind adding and subtracting vectors visually and the "head-to-tail" method. Class 11 Physics (India) Let's learn, practic…
VideoFree6
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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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Physics: Calculating neutral velocity
Let's now do the math to calculate the equal speed at which both A and B could be traveling away from a "neutral" observer. Physics Learn a…
VideoFree7 minutes