Khan Academy: 2757 products

Let's look at the case where the source is moving away from the listener. Class 11 Physics (India) - Hindi To help students who prefer to l…

Take a look at the heart in cross section, looking down at it from the top! Rishi is a pediatric infectious disease physician and works at …

Electrical engineering Learn about electricity, circuit theory, and introductory electronics. We also have sections that let you get down a…

Let's explore the magnification formula (M= v/u) for lenses and see how to find the image height and its nature (whether it's real or virtu…

Visit us (http://www.khanacademy.org/science/healthcare-and-medicine) for health and medicine content or (http://www.khanacademy.org/test-p…

We will find the properties of the image formed by a convex mirror. We will do that using the mirror formula and apply sign conventions. Cl…

Let's figure out the magnifying power (magnification) of our telescope. Class 12 Physics (India) It is now time to dive deeper into the wor…

Solving the second part to the projectile motion problem (with wind gust) using ordered set vector notation Physics Learn about the basic p…

Examples of E2 elimination reactions involving substituted cyclohexanes. Organic chemistry Sal and Jay cover topics covered in college orga…

How to read a position vs. time graph. Using the graph to determine displacement, distance, average velocity, average speed, instantaneous …

Let's help our friend, Veena, to select the right lens for her eyes. Class 10 Physics (India) Let's explore the mysteries of light and elec…

Concrete is strong, but not strong enough to make roads out of them. In this video, we will explore how we can use the concepts of elastici…