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): Diffusion, drift & barrier voltage
Let's look at the different currents in a PN junction. Class 12 Physics (India) It is now time to dive deeper into the world of physics wit…
VideoFree11
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Class 12 Physics (India): Conductors and insulators
Charge can flow through some materials, but not others Class 12 Physics (India) It is now time to dive deeper into the world of physics wit…
VideoFree14 minutes
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Chemistry: Le Chatelier's principle
Le Chatlier's principle (also known as "Chatelier's principle" or "The Equilibrium Law") states that when a system experiences a disturbanc…
VideoFree15 minutes
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Health and medicine: Diagnosing depression
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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Health and medicine: Epiglottitis diagnosis and treatment
Health and medicine The medical world can be a confusing place. Patients, their families, and even students entering health fields might fe…
VideoFree11 minutes
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Health and medicine: Primary hemostasis
During primary hemostasis, a platelet plug is formed to rapidly stop the initial bleeding after injury. Learn about the different steps inv…
VideoFree11 minutes
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Health and medicine: What is waldenstrom macroglobulinemia?
Health and medicine The medical world can be a confusing place. Patients, their families, and even students entering health fields might fe…
VideoFree6 minutes
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Electrical engineering: Spout's reversing circuit and final assembly
Electrical engineering Learn about electricity, circuit theory, and introductory electronics. We also have sections that let you get down a…
VideoFree3 minutes
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Class 11 Physics (India): Graph interpretation word problem: basketball
When a function models a real-world context, we can learn a lot about the context from the function's graph. In this video, we interpret th…
VideoFree4
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Health and medicine: Multiple sclerosis pathophysiology
Visit us (http://www.khanacademy.org/science/healthcare-and-medicine) for health and medicine content or (http://www.khanacademy.org/test-p…
VideoFree7 minutes
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Class 12 Physics (India): Coulomb's Law
Sal explains the fundamental force that causes charged particles to attract or repel each other Class 12 Physics (India) It is now time to …
VideoFree12 minutes
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Electrical engineering: Spout wiring for LED eyes
Electrical engineering Learn about electricity, circuit theory, and introductory electronics. We also have sections that let you get down a…
VideoFree11 minutes
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Class 11 Physics (India): Graphically subtracting vectors
Watch Sal determine which diagram represents vector subtraction graphically. Class 11 Physics (India) Let's learn, practice, and master top…
VideoFree2
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Class 12 Physics (India): Exponential decay and semi-log plots
Using exponential decay equation to solve for relationship between k and half-life. Using semi-log plot to get graph of a straight line wit…
VideoFree10 minutes
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Physics: Introduction to the Lorentz transformation
So we've got two coordinate systems from the perspectives of two observers. How can we convert spacetime coordinates between these? Enter t…
VideoFree8 minutes