Class 11 Physics Notes for Chapter 2 Units and Measurements (Class 11 Physics NCERT textbook) are available here. This part is the continuation of Part I, the topics covered in this part are: Order of ...

Twice every year, the University of Chicago’s Enrico Fermi Institute sponsors the Arthur Holly Compton lecture series, which provide the public an inside look at the questions about the universe with ...

If scientists had sacred objects, this would be one of them: a single, closely guarded 137-year-old cylinder of metal, housed in a vault outside of Paris. It is a prototype that precisely defines a ...

Physics and Python stuff. Most of the videos here are either adapted from class lectures or solving physics problems. I really like to use numerical calculations without all the fancy programming ...

In an upcoming refresh, particle physics will define units of measurement such as the meter, the kilogram and the second. While America remains obstinate about using Imperial units such as miles, ...

Out with the old — kilogram, that is. Scientists will soon ditch a specialized hunk of metal that defines the mass of a kilogram. Oddly enough, every measurement of mass made anywhere on Earth is tied ...

Scientists are preparing to redefine the fundamental unit of time. It won’t get any longer or shorter, but it will be more precise — and a whole lot more powerful. By Alanna Mitchell Modern ...

CBSE Class 11 Physics notes on Chapter 2, Units and Measurement (Part 3) are available here. Important topics covered in this part are Accuracy, Precision, Errors of ...