JEE Main 2019 — Nuclear Physics Question with Solution
JEE Main 2019 (10 Apr Shift 1)
Question
Two radioactive materials and have decay constants and , respectively. If initially they have the same number of nuclei, then the ratio of the number of nuclei of to that of will be after a time:
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Show full solutionCorrect option: B
Correct answer
B
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This is a previous-year question from JEE Main 2019, covering the Nuclear 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.