The speed of electromagnetic waves in free space is _____ m/s.

Write down an expression for speed of electromagnetic wave in free space in terms of mu_0 and in_0 .

What is the speed of any electromagnetic wave in free space or vacuum or air ?

The velocity of electromagnetic waves in free space is 3 xx 10^8 m s^(-1) .The frequency of a radio wave of wave length 150 m is

The velocity of electromagnetic waves in free space is 3xx10^(8) m/s. Whal is the frequency (in MHz) of the wavelength of vaJue 150 m?

Assertion : The velocity of electromagnetic waves depends on electric and magnetic properties of the medium Reason : Velocity of electromagnetic waves in free space is constant.