JEE Main 2012 — Nuclear Physics Question with Solution
JEE Main 2012 (07 May Online)
Question
A sample originally contained radioactive atoms, which emit -particles. The ratio of particles emitted in the third year to that emitted during the second year is . How many particles were emitted in the first year?
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Show full solutionCorrect option: B
Correct answer
B
Step-by-step explanation
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This is a previous-year question from JEE Main 2012, 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.