JEE Main 2020 — Nuclear Physics Question with Solution
JEE Main 2020 (03 Sep Shift 1)
Question
In a radioactive material, a fraction of active material remaining after the time . The fraction that was remaining after the time is :
Choose an option
Show full solutionCorrect option: C
Correct answer
C
Step-by-step explanation
from (1) & (2)
.
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This is a previous-year question from JEE Main 2020, 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.