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Question

Physics Question on Dimensional Analysis

The dimensions of pressure are same as that of

A

Energy

B

Energy per unit volume

C

Force

D

Force per unit volume.

Answer

Energy per unit volume

Explanation

Solution

Energy per unit volume
EnergyVolume=Workvolume\frac{Energy}{Volume} =\frac{Work}{volume}
= Force×displacementVolume=ForceArea=Pressure\frac{Force \times displacement}{Volume} = \frac{Force}{Area} = Pressure