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cse • paper_2 • atomic_molecularcse-2015-subject-06-005

Emission spectrum — UPSC CSE 2015 Physics PYQ

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Two successive lines in the rotational emission spectrum of HCl molecule appear at wave numbers 83.5\ \mathrm{cm^{-1}} and 104.1\ \mathrm{cm^{-1}}. Calculate the position of the next line appearing at the higher wave number.

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