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Composition and size of nucleus, atomic masses, mass-energy relation, mass defect Revision for JEE

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Revise Composition and size of nucleus, atomic masses, mass-energy relation, mass defect by covering every subtopic once, drilling formulas, then solving 60+ timed MCQs with full solutions.

Use this Composition and size of nucleus, atomic masses, mass-energy relation, mass defect revision checklist before mocks and the final exam. Reinforce concepts with 60+ syllabus-aligned MCQs on Goodmarks.

Revision checklist

  1. 1.Core idea: Composition and size of nucleus, atomic masses, mass-energy relation, mass defect
  2. 2.Relates to other subtopics in Atoms and Nuclei
  3. 3.Rutherford and Bohr models, hydrogen spectrum
  4. 4.Mass defect, binding energy per nucleon
  5. 5.Master Composition and size of nucleus, atomic masses, mass-energy relation, mass defect definitions and standard results
  6. 6.Solve 20 timed MCQs for Composition and size of nucleus, atomic masses, mass-energy relation, mass defect

Syllabus context

Part of Atoms and Nuclei in JEE Main Physics.

Free sample questions

Attempt 8 free MCQs for Composition and size of nucleus, atomic masses, mass-energy relation, mass defect. Unlock 52+ more with Pro.

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Q1PhysicsUnit 18: Atoms and Nuclei
Which of the following pairs are isotopes?
Q2PhysicsUnit 18: Atoms and Nuclei
Assertion The mass of a nucleus can be either less than or more than the sum of the masses of nucleons present in it. Reason The whole mass of the atom is concentrated in the nucleus.
Q3PhysicsUnit 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}+
Q4PhysicsUnit 18: Atoms and Nuclei
A radioactive material decays by simultaneous emission of two particles with half-lives 1620 yr and 810 yr respectively. The time in years after which one-fourth of material remains, is
Q5PhysicsUnit 18: Atoms and Nuclei
Assertion A nucleus having enrgy E1E_{1} decays by β\beta emission to daughter nucleus having energy E2E_{2} but the β\beta -rays are emitted with a continuous energy spectrum having end point energy E1−E2\boldsymbol{E}_{\mathbf{1}}-\boldsymbol{E}_{\mathbf{2}} Reason To conserve energy and moment in β\boldsymbol{\beta} decays at least three particles must take part in the transformation.
Q6PhysicsUnit 18: Atoms and Nuclei
When a radioactive nucleus emits a β\beta particular, the proton- neutron ratio
Q7PhysicsUnit 18: Atoms and Nuclei
α\alpha and β\beta - particles emitted when uranium nucleus 92U238_{92} U^{238} decay to 82Pb21482 P b^{214} are
Q8PhysicsUnit 18: Atoms and Nuclei
Beta particles are essentially:

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How should I revise Composition and size of nucleus, atomic masses, mass-energy relation, mass defect before JEE?

Follow the checklist on this page, revise formulas daily, and attempt mixed MCQs every 2–3 days.

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