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): Lenz's Law
Lenz's Law - seeing that the magnetic field induced by a current induced by a change in magnetic flux (Faraday's Law) counteracts the chang…
VideoFree6 minutes
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Physics: Relationship between angular velocity and speed
How angular velocity relates to speed Physics Learn about the basic principles that govern the physical world around us. Solid understandin…
VideoFree9 minutes
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Health and medicine: Photoreceptors (rods vs cones)
In this video, I explore the similarities and differences between rods and cones. By Ronald Sahyouni. Health and medicine The medical world…
VideoFree5 minutes
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Health and medicine: O2 and CO2 solubility
Get an intuition for why carbon dioxide is so much more soluble than oxygen when it goes into water. Rishi is a pediatric infectious diseas…
VideoFree8 minutes
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Organic chemistry: Preparation of sulfides
How to prepare sulfides from thiols. Sulfides are like ethers, but with a sulfur instead of an oxygen atom. Organic chemistry Sal and Jay c…
VideoFree7 minutes
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Health and medicine: Systolic heart failure pathophysiology
Visit us (http://www.khanacademy.org/science/healthcare-and-medicine) for health and medicine content or (http://www.khanacademy.org/test-p…
VideoFree8 minutes
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Class 11 Physics (India) - Hindi: Constant angular momentum when no net torque (Hindi)
Just like how linear momentum is constant when there's no net force, angular momentum is constant where there's no net torque. Class 11 Phy…
VideoFree7
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Class 11 Physics (India) - Hindi: Work and the work energy principle (Hindi)
Ram explains the link between work and kinetic energy. Class 11 Physics (India) - Hindi To help students who prefer to learn by watching Hi…
VideoFree8
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Class 11 Physics (India) - Hindi: Radius from velocity and angular velocity (Hindi)
Radius from velocity and angular velocity. Class 11 Physics (India) - Hindi To help students who prefer to learn by watching Hindi videos, …
VideoFree4
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Class 11 Physics (India): Worked example: two inputs with the same output (graph)
Sal finds the input value other than -5 for which f(x)=f(-5), given the graph of f. Class 11 Physics (India) Let's learn, practice, and mas…
VideoFree2
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Class 11 Physics (India): Archimedes principle and buoyant force
Introduction to Archimedes' principle and buoyant force. Class 11 Physics (India) Let's learn, practice, and master topics of class 11 phys…
VideoFree9 minutes
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Class 12 Physics (India): Zener diode & Zener breakdown
Heavily doped diodes can undergo a different kind of breakdown. In this video let's explore what happens in a very heavily doped diode. The…
VideoFree13
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Class 11 Physics (India) - Hindi: Gravity for astronauts in orbit (Hindi)
Why do astronauts appear weightless despite being near the Earth? Class 11 Physics (India) - Hindi To help students who prefer to learn by …
VideoFree8
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Electrical engineering: RC step response example (3 of 3)
An example solution of an RC step response, with real component values. Electrical engineering Learn about electricity, circuit theory, and…
VideoFree4 minutes
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Class 12 Physics (India): Young's double slit problem solving
An example problem involving a double slit experiment Class 12 Physics (India) It is now time to dive deeper into the world of physics with…
VideoFree7 minutes