The permittivity and permeability of free space are `epsilon_(0) = 8.85 xx 10^(-12)C^(2)N^(-1)m
Channel: Doubtnut
Date: 2020-08-30

The permittivity and permeability of free space are `epsilon_(0) = 8.85 xx 10^(-12)C^(2)N^(-1)m^(-2)"and"mu_(0) = 4pi xx 10^(-7)"TmA"^(-1),` respectively. Find the velocity of the electromagnetic wave.