1.

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

Answer»

`[ML^(-1)T^(-2)]`
`[ML^(-2)T^(-2)]`
`[ML^(-1)T^(-1)]`
`[MLT^(-1)]`

Solution :Coefficient of viscosity
`ETA=("Force")/("Area"xx"Velocity gradient")`
`([MLT^(-2)])/([L^(2)][T^(-1)])=[ML^(-1)T^(-1)]`
Hence CORRECT choice is `(c )`.


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