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If an oil drop of density 0.95xx10^(3)kg...

If an oil drop of density `0.95xx10^(3)kg//m^(3)` and radius `10^(-4)` cm is falling in air whose density is `1.3 kg//m^(3)` and coefficient of viscosity is `18xx10^(-6)kg//(m-s)`. Calculate the terminal speed of the drop.

A

0.00015 cm/s

B

0.0005 cm/s

C

0.0115 cm/s

D

None of these

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The correct Answer is:
C
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