The solar radiation is:

The velocity of electromagnetic waves is parallel to which of the following?

In a two-wire transmission line,the power flows .......

In vacuum,the speed of light depends upon

An electromagnetic wave of frequency $2 \text{ MHz}$ propagates from vacuum to a non-magnetic medium of relative permittivity $9$. Then its wavelength

If a source is transmitting electromagnetic waves of frequency $8.2 \times 10^6 \ Hz$,then the wavelength of the electromagnetic waves transmitted from the source will be.....$m$.