thumb_up
Free information requests

Compare and discuss with your colleagues.

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 …

View Khan Academy

check_box_outline_blank

Class 11 Physics (India) - Hindi: Gravity for astronauts in orbit (Hindi)

Logo Khan Academy

Why do astronauts appear weightless despite being near the Earth? Class 11 Physics (India) - Hindi To help students who prefer to learn by …

check_box_outline_blank

Class 12 Physics (India): Capacitors and capacitance

Logo Khan Academy

A basic overview of capacitors and capacitance. By David Santo Pietro. Class 12 Physics (India) It is now time to dive deeper into the worl…

check_box_outline_blank

Electrical engineering: Impedance

Logo Khan Academy

The ratio of a sinusoidal voltage to a sinusoidal current is called "impedance". This is a generalization of Ohm's Law for resistors. We de…

check_box_outline_blank

Class 12 Physics (India): Mass spectrometer

Logo Khan Academy

Class 12 Physics (India) It is now time to dive deeper into the world of physics with topics from class 12 (NCERT) such as electrostatics, …

check_box_outline_blank

Class 11 Physics (India) - Hindi: Introduction to waves (Hindi)

Logo Khan Academy

Introduction to transverse and longitudinal waves. Class 11 Physics (India) - Hindi To help students who prefer to learn by watching Hindi …

check_box_outline_blank

Class 11 Physics (India): Correction to total final velocity for projectile

Logo Khan Academy

Correction to "Total Final Velocity for Projectile" Video Class 11 Physics (India) Let's learn, practice, and master topics of class 11 phy…

check_box_outline_blank

Physics: Optimal turns at Indianapolis Motor Speedway with JR Hildebrand

Logo Khan Academy

Physics Learn about the basic principles that govern the physical world around us. Solid understanding of algebra and a basic understanding…

check_box_outline_blank

Health and medicine: Pertussis diagnosis and treatment

Logo Khan Academy

Health and medicine The medical world can be a confusing place. Patients, their families, and even students entering health fields might fe…

check_box_outline_blank

Electrical engineering: LC natural response derivation 3

Logo Khan Academy

We use Euler's Formula to change our complex exponential solution into a solution expressed in terms of sines and cosines. Electrical engin…

check_box_outline_blank

Class 11 Physics (India) - Hindi: Why distance is area under velocity-time line (Hindi)

Logo Khan Academy

Understanding why distance is the area under velocity-time line. Class 11 Physics (India) - Hindi To help students who prefer to learn by w…

check_box_outline_blank

Health and medicine: Diagnosing strokes with lab tests

Logo Khan Academy

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

check_box_outline_blank

Class 11 Physics (India) - Hindi: Rotational kinetic energy (Hindi)

Logo Khan Academy

In this video Ram explains what rotational kinetic energy is and how to calculate it. Class 11 Physics (India) - Hindi To help students who…

check_box_outline_blank

Organic chemistry: Decarboxylation

Logo Khan Academy

The decarboxylation (loss of carbon dioxide) of malonic acid and a beta-keto acid. Organic chemistry Sal and Jay cover topics covered in co…

check_box_outline_blank

Class 10 Physics (India): Convex lenses

Logo Khan Academy

Convex Lenses Class 10 Physics (India) Let's explore the mysteries of light and electricity. From how light reflects to correcting defects …

check_box_outline_blank

Class 12 Physics (India): Solved example: magnifying power of compound microscope

Logo Khan Academy

Let's solve a numerical on compound microscope. Class 12 Physics (India) It is now time to dive deeper into the world of physics with topic…