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 ...

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, ...

Class 11 Physics Chapter wise revision notes for Chapter 2 Units and Measurement (Part I) are available here. These notes are based on latest CBSE Class 11 Physics syllabus and NCERT textbook for ...