The velocity of a particle depends upon as \nu = a + b r + …

Physics Units, Dimensions and Measurement Units Single Correct MCQ

Published on: September 12, 2026

The velocity of a particle depends upon as \nu = a + b r + c r^{2} ; if the velocity is in m/sec , the unit of \hat{r} will be

m/sxc

\(m/\mathrm{s}ec^{2}\) m/s^{2}

\(m^{2} / \mathrm{s}\)

Text Solution

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The correct answer is:

Quantities of similar dimensions can be added or subtracted so unit of a will be same as that of velocity.

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