Physics-Bohr Model

NEET Physics Bohr Model MCQ Question

Type: MCQ-numerical-Medium-Class 12

Calculate the angular momentum of an electron in the second orbit of a hydrogen atom using Bohr's model.

A

05 × 10^-34 kg m^2/s

B

11 × 10^-34 kg m^2/s

C

16 × 10^-34 kg m^2/s

D

22 × 10^-34 kg m^2/s

Correct Answer

Option B

Detailed Explanation

According to Bohr's model, the angular momentum is quantized and given by L = nh/2π. For n = 2, L = 2h/2π = h/π. Using h = 6.63 × 10^-34 Js, L = 2.11 × 10^-34 kg m^2/s.

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