Atoms And Nuclei Question 307

Question: In a hydrogen like atom electron make 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:

Options:

A) 1n

B) 1n2

C) 1n3/2

D) 1n3

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Answer:

Correct Answer: D

Solution:

  • ΔE=hv v=ΔEh=k[1(n1)21n2]=k(2n1)n2(n21) 2kn3 or, v1n3


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