Physics-Bohr Model

NEET Physics Bohr Model MCQ Question

Type: MCQ-numerical-Easy-Class 12

What is the frequency of revolution of an electron in the first Bohr orbit of a hydrogen atom given the electron velocity is 2.2 × 10^6 m/s and the orbit radius is 5.3 × 10^-11 m?

A

6.6 × 10^15 Hz

B

3 × 10^15 Hz

C

1 × 10^16 Hz

D

4 × 10^16 Hz

Correct Answer

Option A

Detailed Explanation

Using the given velocity and radius, the frequency of revolution is calculated as v / (2πr), yielding 6.6 × 10^15 Hz.

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