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: Normal forces on Lubricon VI (Hindi)
Whether the normal force balances the force of gravity for a frozen sock or banana. Class 11 Physics (India) - Hindi To help students who p…
VideoFree7
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Health and medicine: Heart failure treatment - Early stages
Visit us (http://www.khanacademy.org/science/healthcare-and-medicine) for health and medicine content or (http://www.khanacademy.org/test-p…
VideoFree5 minutes
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Health and medicine: Transudate vs exudate
In a pleural effusion, different fluids can enter the pleural cavity. Transudate is fluid pushed through the capillary due to high pressure…
VideoFree9 minutes
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Class 11 Physics (India) - Hindi: Moments part 2 (Hindi)
2 more moment problems. Class 11 Physics (India) - Hindi To help students who prefer to learn by watching Hindi videos, we've created the c…
VideoFree11
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Health and medicine: TB epidemiology
Find out how many lives are affected by TB around the world. Rishi is a pediatric infectious disease physician and works at Khan Academy. T…
VideoFree6 minutes
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Physics: Introduction to work and energy
Introduction to work and energy Physics Learn about the basic principles that govern the physical world around us. Solid understanding of a…
VideoFree9 minutes
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Organic chemistry: Carboxylic acid introduction
Carboxylic acid introduction. Organic chemistry Sal and Jay cover topics covered in college organic chemistry course. Basic understanding o…
VideoFree9 minutes
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Class 12 Physics (India): Voltage
Voltage is a cornerstone concept in electricity. We create an intuitive mental image by comparing voltage to gravity. Class 12 Physics (Ind…
VideoFree3 minutes
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Class 11 Physics (India): Limit expression for the derivative of a linear function
Sal interprets a limit expression as the derivative of a linear function at a point, and evaluates it. Class 11 Physics (India) Let's learn…
VideoFree5
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Chemistry: Introduction to chemistry
A big picture view of chemistry and why it is fascinating. How chemistry relates to math and other sciences. Chemistry Did you know that ev…
VideoFree8 minutes
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Health and medicine: What is cyanotic heart disease
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) - Hindi: Bernoulli's example problem 1 (Hindi)
Ram solves an example problem where liquid exits a hole in a container. Class 11 Physics (India) - Hindi To help students who prefer to lea…
VideoFree13
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Electrical engineering: Multiplying by j is rotation
Successive powers of the imaginary unit j correspond to a rotation. Electrical engineering Learn about electricity, circuit theory, and int…
VideoFree6 minutes
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Class 11 Physics (India): Worked example: Evaluating functions from equation
Learn how to evaluate f(x)=49-x² at x=5. Class 11 Physics (India) Let's learn, practice, and master topics of class 11 physics (NCERT) star…
VideoFree1
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Class 11 Physics (India): Basic derivative rules (Part 2)
Constant multiple rule says that the derivative of f(x)=kg(x) is f'(x)=kg'(x). Sum/Difference rule says that the derivative of f(x)=g(x)±h(…
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