The electromagnetic spectrum is organised in increasing order of wavelength.
(i)gamma rays
(ii)X – rays
(iii)Ultraviolet rays
(iv)Light that can be seen
(v)Infrared radiations
(b) Gamma rays are the most powerful penetrators.
The electromagnetic spectrum is organised in increasing order of wavelength.
(i)gamma rays
(ii)X – rays
(iii)Ultraviolet rays
(iv)Light that can be seen
(v)Infrared radiations
(b) Gamma rays are the most powerful penetrators.