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Syllabus

Light — Syllabus

ICSE · Class 6 · Physics

What Light covers in ICSE Class 6 Physics: 4 topics, for the 2026-27 session. Part of the ICSE Class 6 Physics syllabus.

91 questions31 flashcards4 concepts

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4 Topics · ICSE Class 6 Physics · 2026-27

Topics in Light

1

Sources and Nature of Light

  • Light is a form of energy that produces the sensation of vision in our eyes.
  • Natural sources of light include the Sun, stars, and fireflies (jugnu).
  • Artificial sources of light include candles, electric bulbs, torches, and kerosene lamps.
2

Transparent, Translucent, and Opaque Materials

  • Transparent materials allow almost all light to pass through (e.g., glass, air, water).
  • Translucent materials allow partial light to pass — objects appear blurry (e.g., tracing paper, wax paper).
  • Opaque materials block all light — no visibility through them (e.g., wood, metal, book).
3

Rectilinear Propagation of Light and Applications

  • Light travels in straight lines — proven by pinhole cameras and shadow formation.
  • A ray of light is represented by a straight line with an arrow showing direction.
  • A beam of light can be parallel, divergent, or convergent.
4

Shadows: Umbra and Penumbra

  • Shadows are dark patches formed when light is blocked by an opaque object.
  • Shadow shape matches the object but size may vary.
  • Two types of shadows: Umbra (fully dark) and Penumbra (partially dark).

Key Concepts

Central concept: Light

Sources of LightLuminous and Non-Luminous BodiesTransparent, Translucent, OpaqueRectilinear Propagation of LightPinhole CameraShadowsEclipsesRays and Beams of Light

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Frequently Asked Questions

What are the important topics in Light for ICSE Class 6 Physics?
Key topics in Light include Sources and Nature of Light, Transparent, Translucent, and Opaque Materials, Rectilinear Propagation of Light and Applications, Shadows: Umbra and Penumbra. Study these first, then practise questions on each for Class 6 exams.
How should I revise Light for Class 6 exams?
Learn the core ideas first, then work through the 91 practice questions on Light. 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 6 Physics Syllabus

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