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): Addition and subtraction with significant figures
Learn to add and subtract with significant figures. Class 11 Physics (India) Let's learn, practice, and master topics of class 11 physics (…
VideoFree9
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Class 11 Physics (India): 𝘶-substitution intro
Using u-substitution to find the anti-derivative of a function. Seeing that u-substitution is the inverse of the chain rule. Class 11 Physi…
VideoFree5
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Health and medicine: Catching and spreading the flu
Find out how the flu spreads from person to person, and who is at the greatest risk of getting complications of the flu. Rishi is a pediatr…
VideoFree11 minutes
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Class 11 Physics (India): Thermodynamics part 5: Molar ideal gas law problem
Sal uses the molar version of the ideal gas law to solve for the number of moles in a gas. He also shows how to convert this answer into nu…
VideoFree8 minutes
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Health and medicine: Feature detection and parallel processing
In this video, I review our ability to break down an image into its component "features" such as color, form, and motion. This is known as …
VideoFree7 minutes
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Health and medicine: Bernoulli's equation of total energy
Learn how total energy of a fluid helps explain why fluids can move from low pressure to high pressure! Rishi is a pediatric infectious dis…
VideoFree7 minutes
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Class 12 Physics (India): Half-life plot
Definition of half-life and graphing the decay of phosphorus-32. Calculating how much phosphorus-32 remains after 57.2 days. Class 12 Physi…
VideoFree7 minutes
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Electrical engineering: Spider's LED eyes
Electrical engineering Learn about electricity, circuit theory, and introductory electronics. We also have sections that let you get down a…
VideoFree6 minutes
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Class 11 Physics (India) - Hindi: Distance or arc length from angular displacement (Hindi)
Relating angular displacement to distance traveled or arc length. Class 11 Physics (India) - Hindi To help students who prefer to learn by …
VideoFree11
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Class 12 Physics (India): PN breakdown and avalanche
What happens if the reverse biased voltage gets too high? The diode undergoes breakdown In this video we will explore what this 'breakdown'…
VideoFree9
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Physics: Relationship between angular velocity and speed
How angular velocity relates to speed Physics Learn about the basic principles that govern the physical world around us. Solid understandin…
VideoFree9 minutes
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Physics: Introduction to tension
An introduction to tension. Solving for the tension(s) in a set of wires when a weight is hanging from them. Physics Learn about the basic …
VideoFree10 minutes
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Class 11 Physics (India): Change in centripetal acceleration from change in linear velocity and radius: Worked examples
A worked example finding the change in centripetal acceleration from the change in linear speed, and an example finding the change in centr…
VideoFree5
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Class 11 Physics (India): Moments
Introduction to moments Class 11 Physics (India) Let's learn, practice, and master topics of class 11 physics (NCERT) starting with kinemat…
VideoFree14 minutes
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Electrical engineering: Application of the fundamental laws (setup)
We can solve circuits by the direct application of the fundamental laws: Ohm's Law and Kirchhoff's Laws. (Part 1 of 2) Electrical engineeri…
VideoFree8 minutes