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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): Introduction to limits (old)

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An older video of Sal introducing the notion of a limit. Class 11 Physics (India) Let's learn, practice, and master topics of class 11 phys…

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Class 12 Physics (India): Curved surface refraction formula

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Let's derive a formula connecting object distance (u) and image distance (v) for refraction at a curved surface. Class 12 Physics (India) I…

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Class 12 Physics (India): Faraday's Law example

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Example calculating induced current based on change in flux. Class 12 Physics (India) It is now time to dive deeper into the world of physi…

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Electrical engineering: Demo: light guitar

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Light guitar in action! Electrical engineering Learn about electricity, circuit theory, and introductory electronics. We also have sections…

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Physics: Relationship between angular velocity and speed

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How angular velocity relates to speed Physics Learn about the basic principles that govern the physical world around us. Solid understandin…

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Electrical engineering: Digital camera connections

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This video shows you how to "hotwire" a digital camera. This video outlines the first step in making our digital camera work in the Bit-zee…

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Class 11 Physics (India): Graph of y=sin(x)

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The graph of y=sin(x) is like a wave that forever oscillates between -1 and 1, in a shape that repeats itself every 2π units. Specifically,…

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Class 11 Physics (India): Launching and landing on different elevations

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More complicated example involving launching and landing at different elevations Class 11 Physics (India) Let's learn, practice, and master…

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Physics: Thin Film Interference part 1

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Thin film interference occurs when light waves reflecting off the top and bottom surfaces of a thin film interfere with one another. This t…

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Class 11 Physics (India): Masses on incline system problem

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In this video David explains how to find the acceleration and tension for a system of masses involving an incline. Class 11 Physics (India)…

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Class 11 Physics (India) - Hindi: Introduction to waves (Hindi)

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Introduction to transverse and longitudinal waves. Class 11 Physics (India) - Hindi To help students who prefer to learn by watching Hindi …

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Class 11 Physics (India): Linear expansion numerical

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Let's put our linear expansion coefficient to action. In this video we will explore a numerical on linear expansion and see, step by step, …

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Class 11 Physics (India) - Hindi: Bowling ball in vertical loop (Hindi)

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In this video Ram explains how to find the normal force on a bowling ball rolling in a vertical loop. Class 11 Physics (India) - Hindi To h…

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Class 11 Physics (India) - Hindi: Surface Tension and Adhesion (Hindi)

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Ram explains the concepts of surface tension, cohesion, and adhesion. Class 11 Physics (India) - Hindi To help students who prefer to learn…

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Class 11 Physics (India): Acceleration

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Calculating the acceleration of a Porsche Class 11 Physics (India) Let's learn, practice, and master topics of class 11 physics (NCERT) sta…