A rain drop of radius 0.3 mm has a termi...

A rain drop of radius 0.3 mm has a terminal velocity in `"air" = 1 "m/s"`. The viscosity of air is `8 xx 10^(–5)` poise. The viscous force on it is

A

`45.2xx10^(-4)"dyne"`

B

`101.73xx10^(-5)"dyne"`

C

`16.95xx10^(-4)"dyne"`

D

`16.95xx10^(-5)"dyne"`

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