Which of the following solar radiations pass through the atmosphere of the earth :
X -rays, ultraviolet rays, visible light rays, infrared radiation.
A radiation P is focused by a proper device on the bulb of a thermometer. Mercury in the thermometer shows a rapid increase. The radiation P is :
(a) infrared radiation
(b) visible light
(c) ultraviolet radiation
(d) X -rays.
Give one use each of (a) microwaves , (b) ultraviolet radiations , (c) infrared radiations, and (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.