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): Normal forces on Lubricon VI
Whether the normal force balances the force of gravity for a frozen sock or banana Class 11 Physics (India) Let's learn, practice, and mast…
VideoFree7 minutes
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Class 12 Physics (India): Emission spectrum of hydrogen
Using Balmer-Rydberg equation to solve for photon energy for n=3 to 2 transition. Solving for wavelength of a line in UV region of hydrogen…
VideoFree11 minutes
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Class 12 Physics (India): Single slit interference
What happens when there's only one hole? Class 12 Physics (India) It is now time to dive deeper into the world of physics with topics from …
VideoFree15 minutes
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Class 10 Physics (India): Why do stars twinkle (but planets don't)?
Let's explore what causes the twinkling effect of stars. We will also explore why planets, sun and moon don't seem to twinkle. Created by M…
VideoFree8
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Class 11 Physics (India) - Hindi: Work/energy problem with friction (Hindi)
A conservation of energy problem where all of the energy is not conserved. Class 11 Physics (India) - Hindi To help students who prefer to …
VideoFree12
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Class 11 Physics (India) - Hindi: Why do sounds get softer? (Hindi)
Let's think about why sounds would have to get softer as you get further from the source. Class 11 Physics (India) - Hindi To help students…
VideoFree11
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Physics: Magnetic permeability
What happens to the magnetic field of a magnet in the presence of a another material which is attracted to it. Why does this happen? Physic…
VideoFree2 minutes
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Class 11 Physics (India): Parallax in observing stars
Parallax in Observing Stars Class 11 Physics (India) Let's learn, practice, and master topics of class 11 physics (NCERT) starting with kin…
VideoFree7 minutes
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Class 11 Physics (India): Bernoulli's equation (part 4)
Clarification of, and more thoughts on, the Bernoulli's equation example problem where liquid exits a hole in a container. Class 11 Physics…
VideoFree5 minutes
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Chemistry: Zero-order reaction (with calculus)
Deriving the integrated rate law for zeroth order reactions using calculus. How you can graph zero order rate data to see a linear relation…
VideoFree10 minutes
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Chemistry: Nernst equation
Deriving a few different forms of the Nernst equation, the relationship between Gibbs free energy and reaction quotient Q. Chemistry Did yo…
VideoFree7 minutes
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Organic chemistry: Diels-Alder: intramolecular
How to analyze the product of an intramolecular Diels-Alder reaction Organic chemistry Sal and Jay cover topics covered in college organic …
VideoFree7 minutes
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Organic chemistry: Functional groups
An overview of some common functional groups Organic chemistry Sal and Jay cover topics covered in college organic chemistry course. Basic …
VideoFree7 minutes
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Chemistry: Titration of a strong acid with a strong base
In a strong acid-strong base titration, the acid and base will react to form a neutral solution. At the equivalence point of the reaction, …
VideoFree10 minutes
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Class 11 Physics (India) - Hindi: Identifying centripetal force vectors for cars and satellites (Hindi)
Identifying centripetal force vectors for cars and satellites Class 11 Physics (India) - Hindi To help students who prefer to learn by watc…
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