NEET Physics Bohr Model MCQ Question
In the Bohr model, what is the frequency of the electron revolving around a proton in a hydrogen atom if the radius of the orbit is 5.3 × 10^–11 m and the velocity of the electron is 2.2 × 10^6 m/s?
6.6 × 10^15 Hz
8.2 × 10^14 Hz
1.5 × 10^15 Hz
5.0 × 10^15 Hz
Correct Answer
Detailed Explanation
The frequency of the electron is given by v/(2πr), where v is the velocity and r is the radius. Substituting the given values results in 6.6 × 10^15 Hz. This aligns with the example provided in the NCERT context.
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