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: Average velocity and speed worked example (Hindi)
Ram solves a word problem to find average velocity and speed of an object in one-dimension. Class 11 Physics (India) - Hindi To help studen…
VideoFree7
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Physics: Zinc copper cell (reduction-oxidation)
Zinc Copper cell - example of reduction-oxidation reaction Physics Learn about the basic principles that govern the physical world around u…
VideoFree1 minute
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Class 11 Physics (India): Scale of the large
Attempting to comprehend the scale of the large Class 11 Physics (India) Let's learn, practice, and master topics of class 11 physics (NCER…
VideoFree11 minutes
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Class 11 Physics (India): Derivation of gas constants using molar volume and STP
Class 11 Physics (India) Let's learn, practice, and master topics of class 11 physics (NCERT) starting with kinematics and then moving to d…
VideoFree8
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Class 11 Physics (India): Venturi effect and Pitot tubes
David explains the Venturi effect and the role and function of Pitot tubes. Class 11 Physics (India) Let's learn, practice, and master topi…
VideoFree10 minutes
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Class 11 Physics (India): Doppler effect formula for observed frequency
Let's derive the formula for how the perceived frequency of a sound changes when its source is moving toward you Class 11 Physics (India) L…
VideoFree10 minutes
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Class 11 Physics (India) - Hindi: Vertical springs and energy conservation (Hindi)
In this video, Ram explains two different strategies to deal with vertical springs and compares them with those used for horizontal springs…
VideoFree19
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Physics: Thin Film Interference part 2
Let's work out a few details on how thin film interference works Physics Learn about the basic principles that govern the physical world ar…
VideoFree12 minutes
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Health and medicine: Asthma longterm treatment
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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Health and medicine: What is viral gastroenteritis?
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): Ball hits rod angular momentum example
David explains how a mass can have angular momentum even if it is traveling along a straight line. Then David shows how to solve the conser…
VideoFree15 minutes
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Health and medicine: Preeclampsia
Visit us (http://www.khanacademy.org/science/healthcare-and-medicine) for health and medicine content or (http://www.khanacademy.org/test-p…
VideoFree14 minutes
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Class 11 Physics (India): Scientific notation example: 0.0000000003457
Can you imagine if you had to do calculations with very, very small numbers? How would you handle all those zeros to the right of the decim…
VideoFree4
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Health and medicine: TB and HIV
Two deadly diseases, HIV and TB, can often co-exist in the same patient. These videos do not provide medical advice and are for information…
VideoFree9 minutes
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Health and medicine: Electrical system of the heart
See where the pacemaker cells start the electrical wave of depolarization, and how it gets all the way to the ventricles of the heart. Rish…
VideoFree10 minutes