Physics Symbols: Get here a detailed table on physics symbols and their SI units.

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 ...

Defining constants Extraordinary advances have been made in relating SI units to truly invariant quantities such as the fundamental constants of physics and the properties of atoms.

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 ...

Physics Ronnametres and quettagrams have joined the ranks of SI units New prefixes in the International System of Units have been confirmed, ushering in ronto and quecto for tiny numbers and ronna ...

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 ...