STANDARDPhysics-Atomic Structure
STANDARD Physics Bohr's Model MCQ Question
Type: MCQ-numerical-Medium-Class 11
An electron is revolving in the nᵗʰ orbit of radius 4.2 Å, then the value of n is (r₁ = 0.529 Å)
A
4
B
5
C
6
D
3
Correct Answer
Option D
Detailed Explanation
The radius of the orbit is proportional to n². By comparing the given radius with the known value, we find n ≈ 3.
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