If an electron in a hydrogen atom jumps from the 3rd orbit to the 2nd orbit, it emits a photon of wavelength λ. When it jumps from the 4th orbit to the 3rd orbit, the corresponding wavelength of the photon will be

Options

(a) 16/25 λ
(b) 9/16λ
(c) 20/7 λ
(d) 20/13 λ

Correct Answer:

20/7 λ

Explanation:

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