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: Centripetal force problem solving (Hindi)
In this video, Ram gives some problem-solving strategies for centripetal force problems and explains many common misconceptions people have…
VideoFree17
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Class 11 Physics (India): Pendulums
David explains how a pendulum can be treated as a simple harmonic oscillator, and then explains what affects, as well as what does not affe…
VideoFree15 minutes
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Physics: Are 2 magnets stronger than 1?
Will the power of two magnets stuck together increase the overall force? Why? Physics Learn about the basic principles that govern the phys…
VideoFree1 minute
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Class 11 Physics (India) - Hindi: Space station speed in orbit (Hindi)
Speed necessary for the space station to stay in orbit. Class 11 Physics (India) - Hindi To help students who prefer to learn by watching H…
VideoFree7
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Class 11 Physics (India): Ideal gas equation: PV = nRT
Intuition behind the ideal gas equation: PV=nRT. Class 11 Physics (India) Let's learn, practice, and master topics of class 11 physics (NCE…
VideoFree9 minutes
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Class 11 Physics (India): Rotational kinematic formulas
David explains the rotational kinematic formulas and does a couple sample problems using them. Class 11 Physics (India) Let's learn, practi…
VideoFree15 minutes
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Class 11 Physics (India) - Hindi: Volume Expansion Numerical (Hindi)
Let's solve an example to find out how much will a body expand when heated. Class 11 Physics (India) - Hindi To help students who prefer to…
VideoFree5
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Physics: Derivation of the mirror equation
In this video David derives the mirror equation and magnification equation. Physics Learn about the basic principles that govern the physic…
VideoFree15 minutes
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Class 11 Physics (India): Sine & cosine identities: periodicity
Sal finds trigonometric identities for sine and cosine by considering angle rotations on the unit circle. Class 11 Physics (India) Let's le…
VideoFree6
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Electrical engineering: Non-inverting op-amp
An op-amp can be used to amplify a voltage. The gain is determined by the ratio of two resistors. Electrical engineering Learn about electr…
VideoFree13 minutes
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Class 12 Physics (India): Compound microscope
Let's explore the principle of a compound microscope and then logically build one, step by step. Class 12 Physics (India) It is now time to…
VideoFree10
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Class 11 Physics (India) - Hindi: Calculating relative velocity (Hindi)
Ram solves some problems on relative motion and derives the general formula to calculate relative velocity. Class 11 Physics (India) - Hind…
VideoFree12
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Health and medicine: What is arthritis?
Visit us (http://www.khanacademy.org/science/healthcare-and-medicine) for health and medicine content or (http://www.khanacademy.org/test-p…
VideoFree9 minutes
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Health and medicine: Bronchiolitis treatment
Health and medicine The medical world can be a confusing place. Patients, their families, and even students entering health fields might fe…
VideoFree11 minutes
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Health and medicine: Treatment of dementia and Alzheimer's disease
Visit us (http://www.khanacademy.org/science/healthcare-and-medicine) for health and medicine content or (http://www.khanacademy.org/test-p…
VideoFree6 minutes