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Two rain drops reach the earth with diff...

Two rain drops reach the earth with different terminal velocities having ratio 9:4. Then, the ratio of their volumes is

A

`3:2`

B

`4:9`

C

`9:4`

D

`27:8`

Text Solution

Verified by Experts

The correct Answer is:
D
`V_(t)=(2)/(9)(gr^(2)[rho-sigma])/(eta)rArr V_(t) prop r^(2) prop (V^(1//3))^(2) prop V^(2//3)`
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