Question
Identify the electromagnetic waves whose wavelengths vary as :
(a) $10^{-12} m<\lambda<10^{-8}m$ (b) $10^{-3} m<\lambda<10^{-1}m$
Write one use of each.

Answer

(a) X-rays: In medical science in detection of fractures, stones in kidney, gall bladder etc.
(b) Micro waves: In radar for aircraft navigation.

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