Identify the following electromagnetic radiations as per the wavelength given below.

(a) 10 −12 m

(b) 10 −8 m

Frequencies of various radiations are given as

$f_V\to$ Visible light

$f_R\to$ Radio waves

$f_{UV}\to$ Ultra violet waves

Then which of following is true?

Consider the following
(i) Submarine communications
(ii) A.M. radio
(iii) Shortwave ratio
(iv) Radar

Arrange the above in increasing frequency of the waves associated with them

State any one use of infrared radiations.

Write the following radiations in the ascending order of their frequencies :

Microwaves, Ultraviolet rays, X-rays and infrared rays.