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An electron in hydrogen atom makes a transition n₁ → n₂ where n₁ and n₂ are principal quantum number of the two states. Assuming Bohr’s model to be valid the time period of the electron in the initial state is eight times that in the final state. The possible values of n₁ and n₂ are
Options
(a) n₁ = 4 and n₂ = 2
(b) n₁ = 6 and n₂ = 2
(c) n₁ = 8 and n₂ = 1
(d) n₁ = 8 and n₂ = 2
Correct Answer:
n₁ = 4 and n₂ = 2
Explanation:
T ∞ n³
Tn₁ = 8 Tn₂ (given)
Hence, n₁ = 2n₂
Related Questions: - A stone falls freely under gravity.It covers distances h₁,h₂ and h₃
- ₉₂U²³⁵ undergoes successive disintegrations with the end product of ₈₂P²⁰³
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Topics: Atoms and Nuclei
(136)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A stone falls freely under gravity.It covers distances h₁,h₂ and h₃
- ₉₂U²³⁵ undergoes successive disintegrations with the end product of ₈₂P²⁰³
- Four indentical thin rods each of mass M and length l, form a square frame
- Three objects A,B and C are kept in a straight line on a frictionless horizontal surface
- The resultant of two forces, one double the other in magnitude, is perpendicular
Topics: Atoms and Nuclei (136)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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