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An oil drop of diameter 4 xx 10^(-6) m f...

An oil drop of diameter `4 xx 10^(-6)` m falls through air. iF the densities of the oil and air are 900 kg/m^(3)` and 1.293 kg/m^(3)` respectively and the coefficient of viscosity of air is `2.0 xx 10^(-5)` Ns//m^(2)`, then the terminal velocity of oil drop will be

A

`2xx10^(-4)cm`

B

`4xx10^(-4)cm`

C

`5xx10^(-4)cm`

D

`3xx10^(-4)cm`

Text Solution

Verified by Experts

The correct Answer is:
D
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