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): Magnifying power of telescope
Let's figure out the magnifying power (magnification) of our telescope. Class 12 Physics (India) It is now time to dive deeper into the wor…
VideoFree7
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Physics: Projectile motion (part 2)
A derivation of a new motion equation Physics Learn about the basic principles that govern the physical world around us. Solid understandin…
VideoFree9 minutes
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Class 10 Physics (India): Prism & dispersion of light
By doing an experiment let's explore what prisms are and what happens to white light as it passes through a prism. Created by Mahesh Shenoy…
VideoFree12
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Organic chemistry: Syn dihydroxylation
Reactions that add two hydroxyls to the same face of an alkene double bond as it's converted to a single bond. Organic chemistry Sal and Ja…
VideoFree14 minutes
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Health and medicine: Flu shift and drift
Learn how Type B Influenza virus has genetic drift, whereas Type A Influenza virus has genetic drift AND shift. Rishi is a pediatric infect…
VideoFree8 minutes
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Electrical engineering: Spout battery configuration and polarization
Electrical engineering Learn about electricity, circuit theory, and introductory electronics. We also have sections that let you get down a…
VideoFree2 minutes
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Class 11 Physics (India) - Hindi: Deriving formula for centripetal acceleration from angular velocity (Hindi)
Deriving formula for centripetal acceleration from angular velocity. Class 11 Physics (India) - Hindi To help students who prefer to learn …
VideoFree4
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Class 11 Physics (India): Capillary action and why we see a meniscus
How capillary action and the meniscus are related to intermolecular forces in water. Class 11 Physics (India) Let's learn, practice, and ma…
VideoFree8 minutes
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Class 11 Physics (India): Treating systems (the easy way)
David shows the easier way to find the acceleration of two masses connected by a rope. Class 11 Physics (India) Let's learn, practice, and …
VideoFree10 minutes
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Class 11 Physics (India): Maxwell-Boltzmann distribution
Using the Maxwell-Boltzmann distribution to visualize the distribution of speeds of particles at different temperatures. Class 11 Physics (…
VideoFree10 minutes
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Chemistry: Limiting reactant example problem 1
A limiting reagent problem to calculate mass of product and mass of excess reactant leftover after reaction. Chemistry Did you know that ev…
VideoFree19 minutes
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Class 11 Physics (India) - Hindi: Acceleration of aircraft carrier take off (Hindi)
Using what we know about take-off velocity and runway length to determine acceleration. Class 11 Physics (India) - Hindi To help students w…
VideoFree9
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Class 11 Physics (India) - Hindi: Bernoulli's equation (Hindi)
In this video Ram derives Bernoulli's equation. Class 11 Physics (India) - Hindi To help students who prefer to learn by watching Hindi vid…
VideoFree19
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Class 12 Physics (India): Diffraction grating
What happens when there's way more than two holes? Class 12 Physics (India) It is now time to dive deeper into the world of physics with to…
VideoFree14 minutes
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Organic chemistry: Synthesis using alkynes
Using a flowsheet showing different reactions of alkanes, alkenes, and alkynes to solve an organic synthesis problem. Organic chemistry Sal…
VideoFree12 minutes