The electron in a hydrogen atom first jumps from the third excited state to the second excited state and subsequently to the fir

The electron in a hydrogen atom first jumps from the third excited state to the second excited state and subsequently to the first excited state. The ratio of the respective wavelengths, λ₁/λ₂, of the photons emitted in this process is :

(1) 22/5 (2) 7/5 (3) 9/7 (4) 20/7

The electron in a hydrogen atom first jumps from the third excited state to the second excited state and subsequently to the first excited state.

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