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) - Hindi: Space station speed in orbit (Hindi)
Speed necessary for the space station to stay in orbit. Class 11 Physics (India) - Hindi To help students who prefer to learn by watching H…
VideoFree7
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Class 11 Physics (India): Sine & cosine identities: symmetry
Sal finds several trigonometric identities for sine and cosine by considering horizontal and vertical symmetries of the unit circle. Class …
VideoFree8
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Class 11 Physics (India) - Hindi: Horizontally launched projectile (Hindi)
In this video Ram explains how to solve for the horizontal displacement when the projectile starts with a horizontal initial velocity. He a…
VideoFree12
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Class 11 Physics (India): Vector addition & magnitude
Sal explains some interesting properties of the magnitude of vector sums. Class 11 Physics (India) Let's learn, practice, and master topics…
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Class 11 Physics (India): Introduction to limits (old)
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…
VideoFree8
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Class 11 Physics (India): Unit vectors and engineering notation
Using unit vectors to represent the components of a vector Class 11 Physics (India) Let's learn, practice, and master topics of class 11 ph…
VideoFree8 minutes
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Health and medicine: Compensation and decompensation in heart failure
Visit us (http://www.khanacademy.org/science/healthcare-and-medicine) for health and medicine content or (http://www.khanacademy.org/test-p…
VideoFree8 minutes
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Class 11 Physics (India): Thermal conduction
Intuition behind how heat gets transferred through thermal conduction. Class 11 Physics (India) Let's learn, practice, and master topics of…
VideoFree7 minutes
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Organic chemistry: Stabilization of a conjugate base: electronegativity
How electronegativity affects the stabilization of a conjugate base (when comparing elements in the same period) Organic chemistry Sal and …
VideoFree4 minutes
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Class 11 Physics (India): Shear modulus
Let's explore a new modulus of elasticity called shear modulus (rigidity modulus). This will also explain why our bones are strong and yet …
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Class 11 Physics (India) - Hindi: Intuition on static and kinetic friction comparisons (Hindi)
Why static friction is harder to overcome than kinetic friction. Class 11 Physics (India) - Hindi To help students who prefer to learn by w…
VideoFree7
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Class 11 Physics (India): Newton's second law of motion
Newton's second law of motion is F = ma, or force is equal to mass times acceleration. Learn how to use the formula to calculate accelerati…
VideoFree7 minutes
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Class 11 Physics (India): Thermodynamics part 3: Kelvin scale and Ideal gas law example
Sal makes the case for the Kelvin scale of temperature and absolute zero by showing that temperature is proportional to kinetic energy. The…
VideoFree10 minutes
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Chemistry: Electron configurations 2
Figuring out configurations for the d-block elements Chemistry Did you know that everything is made out of chemicals? Chemistry is the stud…
VideoFree10 minutes
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Class 11 Physics (India): Ideal gas equation: PV = nRT
Intuition behind the ideal gas equation: PV=nRT. Class 11 Physics (India) Let's learn, practice, and master topics of class 11 physics (NCE…
VideoFree9 minutes