Atomic StructureHard

Question

Electromagnetic radiation with maximum wavelength is :

Options

A.ultra-violet
B.radio- wave
C.X-ray
D.infra-red

Solution


thus smaller is the energy , larger is the wavelength.
Among the given radiations, radio-waves are least energtic.
Radiaation             UV                      Radio -waves
λ(cm)                      10-6 - 10-5           1 - 102
X-rays                     IR
≥ 10-6                     10-4 to 10-3 

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