Question

Identify the electromagnetic waves whose wavelengths lie in the range
(a) ${10}^{11}<\lambda <{10}^{-14}m$
(b) ${10}^{-4}m<\lambda <{10}^{-6}m$
Write one uses of each.

Answer 1

(a) $\gamma$ -rays
Use : They are used in the treatment of cancer.
(b) Infrared rays
Use: They are used in remote control of T.V., V.C.R, etc.