JEE Main 2022PhysicsNuclear PhysicsEasyMCQ

JEE Main 2022 — Nuclear Physics Question with Solution

JEE Main 2022 (26 Jun Shift 1)

Question

How many alpha and beta particles are emitted when Uranium U92238 decays to lead  Pb82206?

Choose an option

Show full solutionCorrect option: D
Correct answer
D8 alpha particles and 6 beta particles

Step-by-step explanation

U92238→Pb82206

Change in mass number is 4α=238-206=32⇒α=8

Change in atomic number is -2α+β=-10⇒-16+β=-10⇒β=6

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About this question

This is a previous-year question from JEE Main 2022, 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.