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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

`MT^(-1)`

C

`MLT^(-2)`

D

`ML^(-3)`

Text Solution

Verified by Experts

The correct Answer is:
A
`F=6pietarvimplies[eta]=([MLT^(-2)])/([L][LT^(-1)])=[ML^(-1)T^(-1)]`
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ERRORLESS-UNITS, DIMENSIONS AND MEASUREMENT-NCERT BASED QUESTIONS (Dimensions)
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