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): What is a function?
Functions assign a single output for each of their inputs. In this video, we see examples of various kinds of functions. Class 11 Physics (…
VideoFree8
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Class 11 Physics (India) - Hindi: Ultrasound medical imaging (Hindi)
Ultrasound medical imaging (also known as sonography) is a diagnostic imaging tool that uses high-frequency sound waves to create images of…
VideoFree8
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Class 11 Physics (India): Worked example: Derivatives of sin(x) and cos(x)
Sal differentiates g(x)=7sin(x)-3cos(x)-(π/∛x)². This can be done using the derivatives of sine and cosine, and the Power rule. Class 11 Ph…
VideoFree5
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Class 11 Physics (India): Newton's first law of motion introduction
Basic primer on Newton's First Law of motion Class 11 Physics (India) Let's learn, practice, and master topics of class 11 physics (NCERT) …
VideoFree5 minutes
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Class 11 Physics (India): Adding & subtracting vectors
Sal shows how to add vectors by adding their components, then explains the intuition behind adding vectors using a graph. Class 11 Physics …
VideoFree8
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Class 11 Physics (India): Connecting period and frequency to angular velocity
Definition of period and frequency for an object moving in a circle. Connecting period and frequency to the magnitude of the angular veloci…
VideoFree7
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Class 11 Physics (India) - Hindi: Deriving the shortcut to solve elastic collision problems (Hindi)
In this video, Ram derives the expression that we can use as a shortcut to solve for finding the velocities in an elastic collision problem…
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Class 12 Physics (India): Example: Analyzing a more complex resistor circuit
A hairy resistance problem Class 12 Physics (India) It is now time to dive deeper into the world of physics with topics from class 12 (NCER…
VideoFree7 minutes
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Physics: Listen to variable resistance
Here we draw a line on a page and use it as a variable resistor in series with a speaker. What relationship do we hear? Does it sound linea…
VideoFree1 minute
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Class 11 Physics (India) - Hindi: Worked example: motion problems (with definite integrals) (Hindi)
What can you say about the velocity and position of a particle given its acceleration? Class 11 Physics (India) - Hindi To help students wh…
VideoFree10
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Class 12 Physics (India): Circuit terminology
Definition of circuit terms: element, component, node, branch, mesh, and loop Class 12 Physics (India) It is now time to dive deeper into t…
VideoFree8 minutes
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Class 11 Physics (India) - Hindi: Impact velocity from given height (Hindi)
Determining how fast something will be traveling upon impact when it is released from a given height. Class 11 Physics (India) - Hindi To h…
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Class 11 Physics (India): Treating systems (the hard way)
Class 11 Physics (India) Let's learn, practice, and master topics of class 11 physics (NCERT) starting with kinematics and then moving to d…
VideoFree15 minutes
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Class 11 Physics (India): Definite integral as the limit of a Riemann sum
Definite integrals represent the exact area under a given curve, and Riemann sums are used to approximate those areas. However, if we take …
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Class 11 Physics (India) - Hindi: Identifying centripetal force vectors for cars and satellites (Hindi)
Identifying centripetal force vectors for cars and satellites Class 11 Physics (India) - Hindi To help students who prefer to learn by watc…
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