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Question

Physics Question on Pressure

The SISI unit of pressure gradient is

A

N m−2N\,m^{-2}

B

N mN\,m

C

N m−1N\,m^{-1}

D

N m−3N\,m^{-3}

Answer

N m−3N\,m^{-3}

Explanation

Solution

Pressure gradient =PressureDistance=\frac{\text{Pressure}}{\text{Distance}} ∵\because The SISI unit of pressure is N m−2N \,m^{-2} and distance is mm. ∴\therefore The SI unit of pressure gradient is N m−3N\, m^{-3}.