First slide

Dimensions of physical quantities

Question

Find the dimensional formula of Velocity.

Easy

A

$[M^{0} {LT}^{- 2}]$
B

$[M^{1} {LT}^{- 1}]$
C

$[M^{0} {LT}^{- 1}]$
D

Dimensionless

Solution

$Velocity, [v] = \frac{displacement}{time} [v] = \frac{[displacement]}{[time]} = \frac{[L]}{[T]} = [M^{0} L T^{- 1}]$

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