Sarthaks Test
0 votes
in Physics by (8.6k points)
recategorized by

In the expression P = E l 2 m–5 G–2, E, m, l and G denote energy, mass, angular momentum and gravitational constant, respectively. Show that P is a dimensionless quantity.

1 Answer

0 votes
by (13.6k points)
selected by
Best answer

Since E, l and G have dimensional formulas:




Hence, P = E l2 m–5 G–2 will have dimensions:

Welcome to Sarthaks eConnect: A unique platform where students can interact with teachers/experts/students to get solutions to their queries. Students (upto class 10+2) preparing for All Government Exams, CBSE Board Exam, ICSE Board Exam, State Board Exam, JEE (Mains+Advance) and NEET can ask questions from any subject and get quick answers by subject teachers/ experts/mentors/students.