JEE Main 2019 — Atomic Physics Question with Solution
JEE Main 2019 (11 Jan Shift 2)
Question
In a hydrogen like atom, when an electron jumps from the M-shell to the L-shell, the wavelength of emitted radiation is . If an electron jumps from -shell to the -shell, the wavelength of emitted radiation will be:
Choose an option
Show full solutionCorrect option: D
Correct answer
D
Step-by-step explanation
When electron jumps from shell
When eletron jumps from shell
solving equation (i) and (ii) we get
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This is a previous-year question from JEE Main 2019, 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.