Which of the following type of radiations are radiated by an oscillating electric charge?

If $\overrightarrow{E}\backslash overrightarrow\; E$ and $\overrightarrow{B}\backslash overrightarrow\; B$ are the electric and magnetic field vectors of e.m. waves, then the direction of propagation of e.m. direction of wave is along the

The unit of expression ${\mu }_0{\epsilon }_0\backslash mu\_0\; \backslash varepsilon\_0$ is

According to Maxwell’s equation the velocity of light in any medium is expressed as

The electromagnetic waves do not transport.

In an electromagnetic wave, the direction of the magnetic induction $\overrightarrow{B}\backslash overrightarrow\; B$ is

Which of the following electromagnetic waves have the longest wavelength?

Radio waves do not penetrate in the band of

Which of the following electromagnetic wave has least wavelength?

If E is an electric field and is the magnetic induction, then the energy flow per unit area per unit time in an electromagnetic field is given by