JEE Main 2003 — Chemical Kinetics Question with Solution
JEE Main 2003
Question
The half-life of a radioactive isotope is three hours. If the initial mass of the isotope were , the mass of it remaining undecayed after 18 hours would be
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Show full solutionCorrect option: D
Correct answer
D
Step-by-step explanation
. Initial mass
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This is a previous-year question from JEE Main 2003, covering the Chemical Kinetics chapter of Chemistry. 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.