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Water drop of radius 0.3 mm is falling t...

Water drop of radius 0.3 mm is falling through air is `18 xx 10^(-5) kg m^(-1)V^(-1)`, then the viscous force acting on the drop will be

A

`1017 xx 10^(-9) N`

B

`2034 xx10^(-9) N`

C

`2034 xx 10^(-5) N`

D

`1017 xx 10^(-5) N`

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