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Syllabus

Waves — Syllabus

ICSE · Class 11 · Physics

What Waves covers in ICSE Class 11 Physics: 4 topics, for the 2026-27 session. Part of the ICSE Class 11 Physics syllabus.

62 questions34 flashcards8 formulas & key relations5 concepts

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A comparison showing the key differences between mechanical waves (requiring a medium, e.g., sound, water waves) and electromagnetic waves (not requiring a medium, e.g., light, radio waves). Include e
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4 Topics · ICSE Class 11 Physics · 2026-27

Topics in Waves

1

1. Nature of Wave Motion

  • Wave motion is a disturbance produced in a physical medium which advances with a definite speed without changing its form.
  • For propagation of mechanical waves, a material medium having elasticity and inertia is necessary.
  • In wave motion, the particles of the medium do not move from one place to another; they only oscillate about their equilibrium positions.
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2. Types of Waves

  • Transverse wave: medium particles oscillate perpendicular to the direction of propagation.
  • Longitudinal wave: medium particles oscillate parallel to the direction of propagation.
  • Light waves are transverse waves.
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3. Basic Terms and Relations

  • Amplitude is the maximum displacement of an oscillating particle on either side of its equilibrium position.
  • Time period is the time taken by a medium particle to complete one oscillation.
  • Frequency is the number of oscillations made by a medium particle in 1 second.
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4. Progressive Wave Equation

  • A plane progressive wave propagates continuously in the same direction without change in amplitude.
  • A plane progressive simple harmonic wave is a plane progressive wave in which particles perform simple harmonic motion.
  • For a wave travelling in the positive X-direction, the displacement equation is y = a sin(ωt - kx).

Key Concepts

Central concept: Waves

Wave motionTypes of wavesWave quantitiesWave equationsPhase and phase differenceGraphical representationWave characteristicsParticle velocity and wave velocity

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Frequently Asked Questions

What are the important topics in Waves for ICSE Class 11 Physics?
Key topics in Waves include Nature of Wave Motion, Types of Waves, Basic Terms and Relations, Progressive Wave Equation. Study these first, then practise questions on each for Class 11 exams.
How should I revise Waves for Class 11 exams?
Learn the core ideas first, then work through the 62 practice questions on Waves. 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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All ICSE Class 11 Physics Syllabus

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