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Syllabus

Mass- Energy Equivalence: Nuclear Binding Energy — Syllabus

ICSE · Class 12 · Physics

What Mass- Energy Equivalence: Nuclear Binding Energy covers in ICSE Class 12 Physics: 4 topics, for the 2026-27 session.

65 questions28 flashcards14 formulas & key relations5 concepts

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4 Topics · ICSE Class 12 Physics · 2026-27

Topics in Mass- Energy Equivalence: Nuclear Binding Energy

1

Mass-Energy Relation

  • Mass and energy are interconvertible.
  • If a substance loses mass, an equivalent amount of energy is produced.
  • If energy is supplied to matter, its mass increases by a very small amount.
2

Pair Production and Pair Annihilation

  • Pair production converts energy into mass.
  • Pair annihilation converts mass into energy.
  • Pair production occurs when an energetic gamma photon falls on a heavy substance and produces an electron and a positron.
3

Mass Defect and Nuclear Binding Energy

  • The rest mass of a stable nucleus is less than the sum of the masses of its free protons and neutrons.
  • The difference is called mass defect.
  • Mass defect appears as binding energy.
4

Binding Energy Curve and Nuclear Stability

  • Nuclear binding energies range from 2.23 MeV for heavy hydrogen to about 1800 MeV for uranium.
  • Higher binding energy per nucleon means greater stability.
  • The binding energy per nucleon curve has almost a flat maximum from A = 50 to A = 80.

Key Concepts

Central concept: Mass-energy equivalence and nuclear stability through mass defect, binding energy, binding energy per nucleon, pair production, pair annihilation, and the binding energy curve

Einstein mass-energy relationPair productionPair annihilationRest-mass energyMass defectBinding energyBinding energy per nucleonBinding energy curve

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Frequently Asked Questions

What are the important topics in Mass- Energy Equivalence: Nuclear Binding Energy for ICSE Class 12 Physics?
Key topics in Mass- Energy Equivalence: Nuclear Binding Energy include Mass-Energy Relation, Pair Production and Pair Annihilation, Mass Defect and Nuclear Binding Energy, Binding Energy Curve and Nuclear Stability. Study these first, then practise questions on each for the ICSE Class 12 board exam.
How should I revise Mass- Energy Equivalence: Nuclear Binding Energy for the ICSE Class 12 board exam?
Learn the core ideas first, then work through the 65 practice questions on Mass- Energy Equivalence: Nuclear Binding Energy. Revise definitions regularly and use flashcards for quick recall before the exam.

Sources & Official References

Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.

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