If the SI unit of mass is taken to be g
If the SI unit of distance is taken to be km
If the SI unit of time is taken to be s
What will be the expression for SI unit of intensity?

$\frac{g}{s^{2}} k m$

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$\frac{g}{s^{3}} k m$

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$\frac{g}{s^{3}}$

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$\frac{k m}{s^{3}}$

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Solution

The correct option is C
$\frac{g}{s^{3}}$

Step 1: We know the unit of intensity is kg/s³
Step 2: But here
SI unit of mass is taken to be g.
SI unit of time is taken to be s.
So, New unit is g/s³.
Hence, Option C is correct.

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