The SI unit of pressure gradient is

N m^{- 2}

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N m

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N m^{- 1}

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N m^{- 3}

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Solution

The correct option is C $N m^{- 3}$
Pressure gradient = $\frac{P r e s s u r e}{D i s t a n c e}$ .
$∵$ The SI unit of pressure is $N m^{- 2}$ and distance is m.
$∴$ The SI unit of pressure gradient is $N m^{- 3}$ .

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