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Which of the following quantity is unitl...

Which of the following quantity is unitless?

A

Velocity gradient

B

Pressure gradient

C

Displacement gradient

D

Force gradient

Text Solution

Verified by Experts

The correct Answer is:
C
Velocity gradient `=(m//s)/( m) = s^(-1)`
Pressure gradient `=(kg //mxs^(2))/( m) = (kg)/(m^(2) xx s^(2))`
Displacement gradient `= (m)/(m)` = unitless
Force gradient `= (kg xx m//s^(2))/(m) = kg//s^(2)`
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