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NEET2005PhysicsAtomic PhysicsActual

Energy levels A , B and C of a certain action corresponding to increasing values of energy i.e. E_A < E_B < E_C . If ₁ , ₂ and ₃ are wavelength of radiations corresponding to transitions C to B , B to A and C to A respectively, which of the following relations is correct?

Options

  1. A₃= ₁+ ₂
  2. B₃= ₁ ₂ ₁+ ₂
  3. C₁+ ₂+ ₃=0
  4. D₃^2= ₁^2+ ₂^2

Correct answer

B. ₃= ₁ ₂ ₁+ ₂

Step-by-step solution

E_A aligned E & = h c E_ C A & =E_ C B +E_ B A h c ₃ & = h c ₁ + h c ₂ 1 ₃ & = 1 ₁ + 1 ₂ ₃ & = ₁ ₂ ₁+ ₂ aligned

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