JEE Main 2026 — Nuclear Physics Question with Solution
JEE Main 2026 (28 January Shift 2)
Question
A nucleus has mass number and radius . Another nucleus has mass number and radius . If then is:
Choose an option
Show full solutionCorrect option: B
Correct answer
B0.5
Step-by-step explanation
Nuclear radius follows where is mass number.
Given , we have and .
Thus .
Given , we have and .
Thus .
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This is a previous-year question from JEE Main 2026, 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.