If U_1 and U_2 are the units selected in two systems of mea…

Physics Units, Dimensions and Measurement Units Single Correct MCQ

Published by: CGP EDU Academic Team

Published on: September 12, 2026

If U_1 and U_2 are the units selected in two systems of measurement and n_1 and n^{2} their numerical values, then

n_1 u_1 = n_2 u_2

n_1 u_1 + n_2 u_2 = 0

n_1 n_2 = u_1 u_2

\(\left(n_{1} + u_{1}\right) = \left(n_{2} + u_{2}\right)\)

Text Solution

Verified by Experts

The correct answer is:

Physical quantity ( p ) = Numerical value ( n ) Unit ( u )

If physical quantity remains constant then n ∝ ∝ 1/ u ∴ ∴ n 1 u 1 = n 2 u 2 .

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