Write the range of wavelength of the following electromagnetic radiations:
(a) Infrared rays
(b) Ultraviolet rays
(c) - rays
(a) Infrared rays
(i) Range of wavelength - 700nm to 1 mm
USE:-
Electronic devices like semiconductor LEDs emit infrared and are widely used in remote switches of household electronic systems such as TV sets, video recorders and Wi-fi systems.
(b) Ultraviolet rays
(i) Range of wavelength -
to
USE:-
These rays are used in eye surgeries like LASIK and are also used to kill germs in water purifiers.
(c) - rays (Gamma rays)
(i) Range of wavelength
USE:-
These rays are used in medicine to destroy cancer cells.