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Question

The figure shows energy levels of a certain atom, when the system moves from level 2E is emitted The to E, a photon of wavelength wavelength of photon produced during its transition from level 4/3 E to E level is:

  1. 3 lambda    
  2. 3 divided by 4 lambda    
  3. lambda divided by 4    
  4. 2 lambda    

The correct answer is: 3 lambda

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