Which one of the following represents the correct dimensions of the coefficient of viscosity?

Options

A. `[ML^(-1) T^(-2)]`
B. `[MLT^(-1)]`
C. `[ML^(-1) T^(-1)]`
D. `[ML^(-2) T^(-2)]`

Answer

C

Explanation

(3) `F = 6 pi eta rn`
`MLT^(-2) = eta [L] [LT^(-1)]`
`eta = [ML^(-1) T^(-1)]`