STANDARDPhysics-Atomic Structure
STANDARD Physics Bohr's Model MCQ Question
Type: MCQ-conceptual-Medium-Class 11
An electron in a hydrogen atom makes a transition from n = n₁ to n = n₂. 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
A
n₁ = 4, n₂ = 2
B
n₁ = 8, n₂ = 2
C
n₁ = 8, n₂ = 1
D
n₁ = 6, n₂ = 2
Correct Answer
Option A
Detailed Explanation
The time period Tₙ is proportional to n³. If T₁/T₂ = 8, then (n₁/n₂)³ = 8, which implies n₁/n₂ = 2. Thus, n₁ = 4 and n₂ = 2.
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