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): Introduction to harmonic motion
Harmonic motion refers to the motion an oscillating mass experiences when the restoring force is proportional to the displacement, but in …
VideoFree10 minutes
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Organic chemistry: Acidic cleavage of ethers
Reaction of ethers with strong acids to form an alcohol and an alkyl halide. Organic chemistry Sal and Jay cover topics covered in college …
VideoFree12 minutes
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Organic chemistry: Physical properties of aldehydes and ketones
Where the names "aldehyde" and "ketone" come from. Physical properties of aldehydes and ketones. Organic chemistry Sal and Jay cover topics…
VideoFree10 minutes
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Class 11 Physics (India): Doppler effect formula for observed frequency
Let's derive the formula for how the perceived frequency of a sound changes when its source is moving toward you Class 11 Physics (India) L…
VideoFree10 minutes
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Class 11 Physics (India): Relative speed of sound in solids, liquids, and gases
Sounds travels at different speeds in different media Class 11 Physics (India) Let's learn, practice, and master topics of class 11 physics…
VideoFree3 minutes
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Organic chemistry: Aromatic stability V
Aromaticity of polycyclic compounds, such as naphthalene. Organic chemistry Sal and Jay cover topics covered in college organic chemistry c…
VideoFree9 minutes
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Physics: Ping pong ball launcher introduction
This video highlights the projectile (ping pong ball) launcher Physics Learn about the basic principles that govern the physical world arou…
VideoFree2 minutes
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Chemistry: Solubility from the solubility product constant
Calculating the solubility of copper(II) hydroxide from Ksp using an ICE table. Chemistry Did you know that everything is made out of chemi…
VideoFree9 minutes
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Class 11 Physics (India): The equation of a wave
In this video David shows how to determine the equation of a wave, how that equation works, and what the equation represents. Class 11 Phys…
VideoFree15 minutes
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Class 11 Physics (India) - Hindi: Airbus A380 take off distance (Hindi)
How long of a runway does an A380 need? Class 11 Physics (India) - Hindi To help students who prefer to learn by watching Hindi videos, we'…
VideoFree9
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Class 11 Physics (India): Worked example: Definite integral by thinking about the function's graph
If you already know the area under a curve, you can use it to compute an integral. Class 11 Physics (India) Let's learn, practice, and mast…
VideoFree4
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Class 11 Physics (India) - Hindi: Linear expansion numerical (Hindi)
Ram solves a numerical about linear thermal expansion of an aluminum rod. Class 11 Physics (India) - Hindi To help students who prefer to l…
VideoFree8
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Class 11 Physics (India): 𝑒 and compound interest
Sal introduces a very special number in the world of math (and beyond!), the constant 𝑒. Class 11 Physics (India) Let's learn, practice, an…
VideoFree12
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Class 12 Physics (India): Flux and magnetic flux
Introduction and intuition for flux and magnetic flux. Class 12 Physics (India) It is now time to dive deeper into the world of physics wit…
VideoFree10 minutes
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Class 11 Physics (India): Worked example: Scaling unit vectors
Watch Sal scale up a unit vector to have a magnitude greater than 1. Class 11 Physics (India) Let's learn, practice, and master topics of c…
VideoFree3