Question

(a) Give a list of at least five radiations, in the order of their increasing wavelength, which make up the complete electromagnetic spectrum.

(b) Name the radiation mentioned by you in part (a) which has the highest penetrating power.

Answer 1

(a) Five radiations, in the order of their increasing frequencies are: Infrared waves, Visible light, Ultraviolet, X-rays and Gamma rays
(b) Gamma rays have the highest penetrating power.