Question

The dimensions of `(mu_0 in _0)^(-1//2)` are :-
A. `[L^((1)/(2))T^(-(1)/(2))]`
B. `[L^(-1)T]`
C. `[LT^(-1)]`
D. `[L^(-(1)/(2))T^((1)/(2))]`

Answer 1

Correct Answer - C
`(mu_0 in_0)^(-1//2)`= c = speed of light
`(mu_0 in_0)^(-1//2) = [L^(1)T^(-1)]`