K K Sharma Solutions for Chapter: Electromagnetic Waves, Exercise 23: Electromagnetic Spectrum

Electromagnetic radiation has an energy of $14.4 \mathrm{keV}$. Which region of the electromagnetic spectrum does it belong?

Which of the following are not electromagnetic waves?

In which part of the earth's atmosphere is the ozone layer present?

The ozone layer in Earth's atmosphere is crucial for human survival because it

The frequency from $3\times {10}^9 \mathrm{Hz}$ to $3\times {10}^{10} \mathrm{Hz}$ lies in the

The frequency from  $3 \mathrm{MHz}$ to $30 \mathrm{MHz}$ is known as 

The AM range of the radio waves has a frequency of

If the speed of gamma rays, X-rays and microwaves in free space are $V_g$,  $V_x$ and $V_m$, respectively, then the correct relation is