Correct Answer: Option B

Explanation

R.D = (density of the subs)/density of water
19.2 =(P)/10³; ∴P = 19.2 X 10³
But Vol. = (Mass)/density = (2.4)/19.2 x 10³
= 1.25 x 10^-4 M³

There is an explanation video available below.

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