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Question

The following diagram indicates the energy levels of a certain atom when the system moves from 2E level to E, a photon of wavelength λ is emitted. The wavelength of photon produced during its transition from 4E3 level to E is

  1. λ3
  2. 3λ4
  3. 4λ3
  4. 3λ


Solution

The correct option is D 3λ
2EE=hcλE=hcλ
4E3E=hcλ=E3=hcλλλ=3λ=3λ

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