A air bubble of radius | FLUID MECHANICS | JEE-MAIN 2020

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JEE MAIN 2020

04-09-2020 S1

Question

A air bubble of radius 1 cm in water has an upward acceleration $9.8 \mathrm{~cm} \mathrm{~s}^{-2}$. The density of water is 1 gm $\mathrm{cm}^{-3}$ and water offers negligible drag force on the bubble. The mass of the bubble is ( $\mathrm{g}=980 \mathrm{~cm} / \mathrm{s}^2$ )

Select the correct option:

A

1.52 gm

B

4.51 gm

C

3.15 gm

D

4.15 gm

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