Name any two electromagnetic waves which have a frequency higher than that of violet light.
Ultraviolet radiations and Microwaves
Ultraviolet radiations and X-rays
X-rays and Radiowaves
Infrared Radiations and Gamma-rays
Ultraviolet radiations and X-rays have a frequency higher than that of violet light.
The most energetic electromagnetic radiations are :
(a) microwaves (b) ultraviolet waves
(c) X-rays (d) gamma rays.
(a) Arrange the following radiations in the order of their increasing wavelength :
X rays, infrared rays, radio waves, gamma rays, and micro waves.
(b) Name the radiation which is used for satellite communication.
Give one use each of (a) microwaves , (b) ultraviolet radiations , (c) infrared radiations, and (d) gamma rays.