Electromagnetic Spectrum

Which of the following is absorbed by the ozone layer?

Displacement current passes through the gap between the plates of a capacitor when the charge of capacitor

Give an idea of how the whole electromagnetic spectra has been divided into different parts. Mention the rough frequency and wavelength ranges for these different parts.

Name the constituent radiation of electromagnetic spectrum which produces intense heating effect.

Name the constituent radiation of electromagnetic spectrum which is absorbed from sunlight by ozone layer.

Name the constituent radiation of electromagnetic spectrum which has its wavelength range between $390 \mathrm{nm}$ and $770 \mathrm{nm}$.

Name the constituent radiation of electromagnetic spectrum which is similar to the radiations emitted during decay of radioactive nuclei.

Name the constituent radiation of electromagnetic spectrum which is used for studying crystal structure.

Name the constituent radiation of electromagnetic spectrum which is used in satellite communication.

Express the velocity of propagation of an electromagnetic wave in terms of the peak values of the electric and magnetic fields.

In what way is the directions of the electric and magnetic field vectors representing an electromagnetic wave related to each other? 

Name the electromagnetic radiation to which $1 \mathrm{\AA }$ wavelength belongs.

Which physical quantity, if any, has the same value of waves belonging to the different parts of the electromagnetic spectrum?

What is name given to that part of electromagnetic spectrum which is used for taking photographs of earth under foggy condition from great heights? 

What is the appropriate frequency range of the visible part of the electromagnetic spectrum ? 

What is the equation for speed of electromagnetic waves in free space?

What is the ratio of velocities of light rays of wavelengths $4000 \mathrm{\AA }$ and $8000 \mathrm{\AA }$ in vacuum. 

Which of the following belong to the electromagnetic spectrum ?

$\alpha$ -ray, $\beta$ -rays, $\gamma$ -rays, cathode rays, X -rays, ultraviolet rays.

Can displacement current produce magnetic field?

Microwaves are used in radars, why?