In \(5 \quad o + \alpha + c \alpha :\) . 5 is measured in m…

Physics Units, Dimensions and Measurement Units Single Correct MCQ

Published by: CGP EDU Academic Team

Published on: September 12, 2026

In \(5 \quad o + \alpha + c \alpha :\) . 5 is measured in metres and t in second s. The unit of c is

None

\(\pi\pi\)

\(\sqrt{72} \cdot 1\)

\(\sqrt{72} = 8.5\)

Text Solution

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The correct answer is:

\(\mathrm{Cl}^{-}\) must have dimensions of l

\(\Rightarrow\) c must have dimensions of \(\frac{1}{T^{2}}\) i.e . LT^{-2} .

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