question_answer

In a hydrogen like atom electron makes transition from an energy level with quantum number n to another with quantum number \[(n-1).\]If \[n>>1,\]the frequency of radiation emitted is proportional to:     [JEE MAIN 2013]

A) \[\frac{1}{n}\]

B) \[\frac{1}{{{n}^{2}}}\]

C) \[\frac{1}{{{n}^{3/2}}}\]

D) \[\frac{1}{{{n}^{3}}}\]

Correct Answer: D

Solution :

[d]