JEE Main 2021PhysicsNuclear PhysicsMediumMCQ

JEE Main 2021Nuclear Physics Question with Solution

JEE Main 2021 (31 Aug Shift 1)

Question

A sample of a radioactive nucleus A disintegrates to another radioactive nucleus B, which in turn disintegrates to some other stable nucleus C. Plot of a graph showing the variation of number of atoms of nucleus B vesus time is : (Assume that at t=0, there are no B atoms in the sample)

Choose an option

Show full solutionCorrect option: C
Correct answer
C

Step-by-step explanation

No. of nuclei of B is initially zero and finally zero.
It will reach a maximum value at some intermediate
time.

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About this question

This is a previous-year question from JEE Main 2021, 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.