A hydrogen atom initially in the state relaxes by emitting photons

CHEMISTRY · Single correct · CBSE · Chemistry · Structure of Atom · Structure of Atom

Problem

A hydrogen atom initially in the n=4n=4 state relaxes by emitting photons. Which of the following individual transitions produces the photon with the longest wavelength? (a) n=4→n=2n=4\rightarrow n=2 (b) n=4→n=3n=4\rightarrow n=3 (c) n=3→n=2n=3\rightarrow n=2 (d) n=4→n=1n=4\rightarrow n=1

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