Electron in hydrogen atom first jumps from third excited state to second excited state and then from second excited to the first excited state. The ratio of the wavelengths λ₁:λ₂ emitted in the two cases is
Options
(a) (7/5)
(b) (27/20)
(c) (27/5)
(d) (20/7)
Correct Answer:
(20/7)
Explanation:
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