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: Examples interpreting position time graphs (Hindi)
Using position-time graphs and number lines to find displacement and distance traveled. Class 11 Physics (India) - Hindi To help students w…
VideoFree12
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Class 11 Physics (India): Cross product 2
A little more intuition on the cross product. Class 11 Physics (India) Let's learn, practice, and master topics of class 11 physics (NCERT)…
VideoFree11 minutes
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Health and medicine: Understanding the Ebola virus outbreak
Dr. Rishi Desai is a pediatric infectious disease physician and former epidemiologist with the Centers for Disease Control and Prevention (…
VideoFree11 minutes
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Class 10 Physics (India): Thin lens formula
Let's derive the thin lens formula which connects the object distance to the image distance. Class 10 Physics (India) Let's explore the mys…
VideoFree10
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Class 11 Physics (India) - Hindi: Launching and landing on different elevations (Hindi)
A more complicated example involving launching and landing at different elevations. Class 11 Physics (India) - Hindi To help students who p…
VideoFree14
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Class 12 Physics (India): Minority charge carriers in extrinsic semiconductors
When we add impurities to semiconductors, what happens to minority charge carriers? Do they remain the same? In this video, we will explore…
VideoFree12
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Class 11 Physics (India): Scalar multiplication of vectors
Sal explains what happens graphically and to the components of a vector when we multiply it by a scalar. Class 11 Physics (India) Let's lea…
VideoFree6
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Class 12 Physics (India): Nuclear stability and nuclear equations
Using the ratio of neutrons to protons to figure out of a nucleus will be stable or radioactive. Class 12 Physics (India) It is now time to…
VideoFree8 minutes
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Health and medicine: Asbestosis, silicosis, sick building syndrome
Health and medicine The medical world can be a confusing place. Patients, their families, and even students entering health fields might fe…
VideoFree7 minutes
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Class 11 Physics (India): Relating angular and regular motion variables
In this video David shows how to relate the angular displacement to the arc length, angular velocity to the speed, and angular acceleration…
VideoFree15 minutes
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Class 12 Physics (India): Photon Energy
In this video, David explains what a photon is and how to determine the energy of a photon. Class 12 Physics (India) It is now time to dive…
VideoFree9 minutes
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Health and medicine: Symptoms of right sided heart failure
Visit us (http://www.khanacademy.org/science/healthcare-and-medicine) for health and medicine content or (http://www.khanacademy.org/test-p…
VideoFree4 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
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Class 11 Physics (India) - Hindi: Introduction to centripetal force (Hindi)
In this video Ram does a quick recap of Centripetal acceleration which he uses along with Newton's second law to introduce centripetal forc…
VideoFree6
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Health and medicine: Post stroke inflammation
Visit us (http://www.khanacademy.org/science/healthcare-and-medicine) for health and medicine content or (http://www.khanacademy.org/test-p…
VideoFree6 minutes