Deluged by responses to his request for your favourite units, Robert P Crease discovers that non-SI units persist, and are sometimes even popular, among the physics community Setting the standard ...

In physics, we symbolise everything with an English/Greek alphabet, such as the speed of velocity, wavelength and other quantities as well. To make it more convenient for the students, teachers or ...

An upcoming change to SI units – due to be officially approved this month – will mark the end of a long journey from defining quantities in terms of objects to using precise, unchanging and universal ...

SI Unit: Every measurement we make, be it for length, time, temperature, or electric current, needs a standard unit so that results are understood universally. To maintain uniformity worldwide, ...

CBSE Class 11 Physics notes on Chapter 2, Units and Measurement (Part 1) are available here. Important topics covered in these notes are Physical quantities, Units, Fundamental (or Base) units, ...