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The force F on a sphere of radius r movi...

The force F on a sphere of radius r moving in a medium with velocity v is given by `F = 6 pi eta rv`. The dimensions of `eta` are

A

`[ML^(-1)T^(-1)]`

B

`[ML^(-1)]`

C

`[MLT^(-2)]`

D

`[ML^(-3)]`

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The correct Answer is:
A
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