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): Transistor as a switch
Let's see how we can exploit the cut off and saturation behaviour of a transistor and build an incredibly efficient switch. Class 12 Physic…
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Class 11 Physics (India) - Hindi: Constant angular momentum when no net torque (Hindi)
Just like how linear momentum is constant when there's no net force, angular momentum is constant where there's no net torque. Class 11 Phy…
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Physics: Optimal angle for a projectile part 2: Hangtime
Now it's time to think about hangtime for our far-flung projectile Physics Learn about the basic principles that govern the physical world …
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Class 11 Physics (India): Production of sound
Sound is vibrating air. But how does the air start vibrating? Class 11 Physics (India) Let's learn, practice, and master topics of class 11…
VideoFree4 minutes
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Class 11 Physics (India): Vector components from magnitude & direction
Sal finds the components of a couple of vectors given in magnitude and direction form. Class 11 Physics (India) Let's learn, practice, and …
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Class 11 Physics (India) - Hindi: Angular motion variables (Hindi)
Ram explains the meaning of angular displacement, angular velocity, and angular acceleration. Class 11 Physics (India) - Hindi To help stud…
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Class 11 Physics (India) - Hindi: LOL diagrams (Hindi)
Ram shows how LOL diagrams allow us to visually represent what we mean by conservation of energy as well as what we mean by an energy syste…
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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…
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Physics: Pith ball electroscope
Primitive device for measuring electrostatic force Physics Learn about the basic principles that govern the physical world around us. Solid…
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Physics: Introduction to mechanical advantage
Introduction to simple machines, mechanical advantage and moments. Physics Learn about the basic principles that govern the physical world …
VideoFree10 minutes
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Class 11 Physics (India) - Hindi: Introduction to torque (Hindi)
An introduction to torque. Class 11 Physics (India) - Hindi To help students who prefer to learn by watching Hindi videos, we've created th…
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Class 12 Physics (India): Bohr model radii (derivation using physics)
Using classical physics and vectors, plus assumption that angular momentum of electron is quantized, to derive the equation for Bohr model …
VideoFree11 minutes
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Class 11 Physics (India): Angular momentum of an extended object
In this video David derives and shows how to use the formula for the angular momentum of an extended object. Class 11 Physics (India) Let's…
VideoFree10 minutes
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Class 11 Physics (India): Distance and displacement introduction
An introduction to the difference between distance traveled and displacement. Class 11 Physics (India) Let's learn, practice, and master to…
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Class 10 Physics (India): Concave mirrors
In this video, we will see how concave mirrors focus a parallel beam of light to a single point. Created by Mahesh Shenoy Class 10 Physics …
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