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Atoms & Nuclei

JEE Main level, single correct, medium

210 of 239

Question 210 of 239

A nucleus of mass $M+\Delta m$ is at rest and decays into two daughter nuclei of equal mass $\frac{M}{2}$ each. Speed of light is $\mathrm{c}$ .
40. The binding energy per nucleon for the parent nucleus is $E_1$ and that for the daughter nuclei is $E_2$ . Then

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Answer: (C) $E_2\gt E_1$

After decay, the daughter nuclei will be more stable hence binding energy per nucleon will be more than that of their parent nucleus.

JEE Main question paper PDF

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JEE Main 2025 Apr 2 Shift 1 question paper

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More Physics practice

JEE Main Physics practice question on Atoms & Nuclei (Nuclear energy), with the answer and a step-by-step solution. Scan a question from your own book or paper to get a whiteboard video.

A nucleus of mass M+ΔmM+\Delta mM+Δm is at rest and decays into two daughter nuclei of equal mass M2\frac{M}{2}2M​ each. Speed of light is c\mathrm{c}c.40. The binding energy per nucleon for the parent nucleus is E1E_1E1​ and that for the daughter nuclei is E2E_2E2​. Then

JEE Main question paper PDF

More Physics practice

A nucleus of mass $M+\Delta m$ is at rest and decays into two daughter nuclei of equal mass $\frac{M}{2}$ each. Speed of light is $\mathrm{c}$ .
40. The binding energy per nucleon for the parent nucleus is $E_1$ and that for the daughter nuclei is $E_2$ . Then