JEE Main 2012 — Atomic Physics Question with Solution
JEE Main 2012 (12 May Online)
Question
A doubly ionised atom is excited from its ground to state. The wavelengths of the spectral lines are given by and . The ratio and are, respectively
Choose an option
Show full solutionCorrect option: C
Correct answer
C
Step-by-step explanation
where Rydberg
Similarly solving for and
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This is a previous-year question from JEE Main 2012, covering the Atomic Physics chapter of Physics. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.