1.

The dimensional formula of mobility is ... .

Answer»

`M^(-1) L^(1)T^(2) A^(1)`
`M^(1) L^(0) T^(-2) A^(-1)`
`M^(1)L^(-1) T^(-2) A^(-1)`
`M^(-1) L^(0) T^(2) A^(1)`

Solution :`M^(-1) L^(0) T^(2) A^(1)`
Mobility `mu = (v_(d))/(E)`
`[ mu] = ([V_(d)])/([E]) = ([v_(d)])/([N]) XX [C]`
` = ([M^(0) L^(1) T^(-1)] xx [A^(1) T^(1)])/([M^(1) L^(1) T^(-2) ] ) = [M^(1) L^(0) T^(2) A^(1)] `


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