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NTA Abhyas JEE Main2020ChemistryStructure of AtomPractice

In the hydrogen atom spectrum, the emission of the least energetic photon takes place during the transition from n = 6 energy level to n = . … … energy level.

Options

  1. A1
  2. B3
  3. C5
  4. D4

Correct answer

C. 5

Step-by-step solution

According to the relation Δ E ∝ 1 λ ∝ υ ∝ 1 n L 2 - 1 n u 2 n L = lower energy level n u = higher energy level In hydrogen atom the emission of the least energetic photon take place only when change in energy is minimum. This is possible for an electron that is present in n = 6 and jumps to n = 5 .

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