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

Answer

(a) Gamma rays: In knowing facts about structure of the nucleus.
(b) Ultraviolet rays: In keeping the plants warm in green houses.

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