[" 6.What is the relation between the amplitudes of the electric and magnetic field in free space for "],[" an electromagnetic wave? "]

What is the relation between amplitudes of electric and magnetic field in free space for e.m. wave?

Write the relationship between amplitudes of electric and magnetic fields in free space for e.m. wave.

The relation between electric field E and magnetic field H in an electromagnetic wave is

The relation between electric field E and magnetic field induction B in an electromagnetic waves

The ratio between the amplitudes of electric and magnetic fields at any point on a progressive electromagnetic wave in free space is equal to