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MHT CET · Physics · Atomic Physics

The energy levels with transitions for the atom are shown. The transitions corresponding to emission of radiation of maximum and minimum wavelength are respectively

  1. A A, D
  2. B B, C
  3. C C, D
  4. D A, C
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Answer & Solution

Correct Answer

(A) A, D

Step-by-step Solution

Detailed explanation

(D)
Energy \(\quad \mathrm{E}=\frac{\mathrm{hc}}{\lambda} \quad \therefore \mathrm{E} \propto \frac{1}{\lambda}\)
In transition A, change in energy is minimum, hence wavelength is maximum. In transition D, Change in energy is maximum, hence wavelength is minimum.
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