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
Physics: Potential ways to detect an ether wind
Thinking about how Earth's relative velocity to hypothetical luminiferous ether can be used to detect ether. Physics Learn about the basic …
VideoFree7 minutes
check_box_outline_blank
Class 11 Physics (India) - Hindi: Angular motion variables (Hindi)
Ram explains the meaning of angular displacement, angular velocity, and angular acceleration. Class 11 Physics (India) - Hindi To help stud…
VideoFree16
check_box_outline_blank
Health and medicine: Anatomy of the male reproductive system
Health and medicine The medical world can be a confusing place. Patients, their families, and even students entering health fields might fe…
VideoFree10 minutes
check_box_outline_blank
Health and medicine: Arteriosclerosis, arteriolosclerosis, and atherosclerosis
Learn the difference between Arteriosclerosis, Arteriolosclerosis, and Atherosclerosis! Rishi is a pediatric infectious disease physician a…
VideoFree9 minutes
check_box_outline_blank
Class 11 Physics (India) - Hindi: Harmonic motion part 3 (no calculus) (Hindi)
Figuring out the period, frequency, and amplitude of the harmonic motion of a mass attached to a spring. Class 11 Physics (India) - Hindi T…
VideoFree12
check_box_outline_blank
Physics: Measuring time in meters in Minkowski spacetime
As counterintuitive as it might sound, it will become extremely convenient to use the same units for space and time. Happily, we can do tha…
VideoFree5 minutes
check_box_outline_blank
Class 11 Physics (India): Area between a curve and the x-axis
Based on the fundamental theorem of calculus, we can use antiderivatives to compute integrals. Class 11 Physics (India) Let's learn, practi…
VideoFree6
check_box_outline_blank
Chemistry: Quantitative electrolysis
Calculating how much zinc deposits on the zinc electrode after 1.0 h when a current of 5.0 A is applied to the battery. Chemistry Did you k…
VideoFree7 minutes
check_box_outline_blank
Class 11 Physics (India): Connecting f and f' graphically
More practice with the relationship between the graph of a function and the graph of its derivative. Class 11 Physics (India) Let's learn, …
VideoFree4
check_box_outline_blank
Class 12 Physics (India): Thin lenses in contact
Let's figure out the effective focal length when thin lenses are in contact. Class 12 Physics (India) It is now time to dive deeper into th…
VideoFree7
check_box_outline_blank
Class 11 Physics (India): Kinetic molecular theory of gases
Class 11 Physics (India) Let's learn, practice, and master topics of class 11 physics (NCERT) starting with kinematics and then moving to d…
VideoFree15
check_box_outline_blank
Class 11 Physics (India) - Hindi: Law of conservation of energy (Hindi)
Ram discusses how energy can't be created or destroyed in an isolated system, and works an example of how energy is transformed when a ball…
VideoFree13
check_box_outline_blank
Class 11 Physics (India) - Hindi: Equation for center of mass (Hindi)
The center of mass is a point in a system that responds to external forces as if the total mass of the system were concentrated at this poi…
VideoFree8
check_box_outline_blank
Class 12 Physics (India): Zener diode voltage regulator
A Zener diode can limit the voltage across it, making it a voltage regulator! In this video, let's explore how a Zener diode can be used to…
VideoFree10
check_box_outline_blank
Chemistry: Experimental determination of rate laws
Example using initial rates to find the order in each reactant, the overall order, and the rate constant k. Chemistry Did you know that eve…
VideoFree12 minutes