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 …
check_box_outline_blank
Class 11 Physics (India): Harmonic motion part 3 (no calculus)
Figuring out the period, frequency, and amplitude of the harmonic motion of a mass attached to a spring. Class 11 Physics (India) Let's lea…
VideoFree10 minutes
check_box_outline_blank
Class 11 Physics (India) - Hindi: Thermal Expansion in Liquids (Hindi)
Like solids, liquids too expand on heating. Let's find out more about how we can calculate the change and how liquid's thermal expansion is…
VideoFree7
check_box_outline_blank
Class 12 Physics (India): Net electric field from multiple charges in 2D
In this video David solves an example 2D electric field problem to find the net electric field at a point above two charges. Class 12 Physi…
VideoFree10 minutes
check_box_outline_blank
Class 11 Physics (India): Intuition on static and kinetic friction comparisons
Why static friction is harder to overcome than kinetic friction Class 11 Physics (India) Let's learn, practice, and master topics of class …
VideoFree7 minutes
check_box_outline_blank
Class 11 Physics (India) - Hindi: Angular momentum of an extended object (Hindi)
In this video Ram derives and shows how to use the formula for the angular momentum of an extended object. Class 11 Physics (India) - Hindi…
VideoFree9
check_box_outline_blank
Class 11 Physics (India): Linear velocity comparison from radius and angular velocity: Worked example
Linear velocity from the radius and angular velocity for two pumpkin catapults with different arm lengths. Class 11 Physics (India) Let's l…
VideoFree6
check_box_outline_blank
Class 11 Physics (India): Boyle's law
Class 11 Physics (India) Let's learn, practice, and master topics of class 11 physics (NCERT) starting with kinematics and then moving to d…
VideoFree11
check_box_outline_blank
Class 11 Physics (India): Area expansion coefficient
Let's explore how to calculate changes in areas of things, when they are heated. By the way changes in area is also called superficial expa…
VideoFree9
check_box_outline_blank
Class 12 Physics (India): Current due to closing a switch: worked example
Find the current due to closing a switch using equivalent resistance and Ohm's law. Class 12 Physics (India) It is now time to dive deeper …
VideoFree3
check_box_outline_blank
Class 11 Physics (India): Pressure and Pascal's principle (part 1)
Sal explains the difference between liquids and gasses (both fluids). He then starts a calculation of the work done on a liquid in a U-shap…
VideoFree10 minutes
check_box_outline_blank
Class 10 Physics (India): Why is the sky blue?
Let's explore why the sky is blue, why the sunset/sunrise is red, why are clouds white. It's all due to scattering of light by the molecule…
VideoFree10
check_box_outline_blank
Class 11 Physics (India): Unit vector notation
Expressing a vector as the scaled sum of unit vectors Class 11 Physics (India) Let's learn, practice, and master topics of class 11 physics…
VideoFree10 minutes
check_box_outline_blank
Health and medicine: Diastolic heart failure pathophysiology
Visit us (http://www.khanacademy.org/science/healthcare-and-medicine) for health and medicine content or (http://www.khanacademy.org/test-p…
VideoFree9 minutes
check_box_outline_blank
Health and medicine: Endocrine gland hormone review
Welcome to the Endocrine System. Get ready to learn about one of the most important ways that our body parts communicate! By Ryan Patton. H…
VideoFree12 minutes
check_box_outline_blank
Health and medicine: Tolerance and withdrawal
Health and medicine The medical world can be a confusing place. Patients, their families, and even students entering health fields might fe…
VideoFree6 minutes