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.
State the approximate range of wavelength associated with (a) the ultraviolet rays , (b) the visible light , and (c) infrared rays.