The dimensions of `epsilon_(0)mu_(0)` are

Options

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

Answer

D

Explanation

We know that the speed of electomagnetic wave is
` C = (1)/( sqrt mu_(0) epsilon_(0)) rArr mu_(0) epsilon_(0) = (1)/(C^(2)) = [ L^(-2)T ^(2)]`