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Composition and size of nucleus, atomic masses, mass-energy relation, mass defect Previous Year Questions for JEE

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Q1PhysicsUnit 18: Atoms and Nuclei
The missing particle in the reaction: 25399Es+24He→101256Md+\underset{99}{253} \boldsymbol{E} \boldsymbol{s}+_{2}^{4} \boldsymbol{H} \boldsymbol{e} \rightarrow_{101}^{256} \boldsymbol{M} \boldsymbol{d}+
Q2PhysicsUnit 18: Atoms and Nuclei
Statement A: Density of nucleus is independent of its mass number Statement B: Beryllium is used as a moderator in nuclear reactors
Q3PhysicsUnit 18: Atoms and Nuclei
A nucleus with atomic number zz and neutron number N undergoes two decay processes. The result is a nucleus with atomic number Z-3 and neutron number N-1. Which decay processes took place?
Q4PhysicsUnit 18: Atoms and Nuclei
Mark out the incorrect statement:

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PYQs reveal recurring concepts, common traps, and the difficulty level JEE expects. Solving them builds exam temperament and time management.

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Our bank includes exam-style MCQs aligned with JEE Main Physics syllabus for Composition and size of nucleus, atomic masses, mass-energy relation, mass defect, covering the same topics as previous year papers.

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