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Syllabus

Refraction of light — Syllabus

Maharashtra Board · Class 10 · Science

What Refraction of light covers in Maharashtra Board Class 10 Science: 4 topics, for the 2026-27 session. Topics include Refraction of Light and Glass.

45 questions32 flashcards6 formulas & key relations5 concepts

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4 Topics · Maharashtra Board Class 10 Science · 2026-27

Topics in Refraction of light

1

1. Refraction of Light and Glass Slab Activity

  • Refraction is the change in direction of light while going from one transparent medium to another transparent medium.
  • When light goes from a rarer medium to a denser medium, it bends towards the normal.
  • When light goes from a denser medium to a rarer medium, it bends away from the normal.
2

2. Laws of Refraction and Refractive Index

  • The first law of refraction says the incident ray, refracted ray, and the normal at the point of incidence lie in the same plane.
  • The second law says that for a given pair of media, the ratio sin i to sin r is constant.
  • This constant is called refractive index, n.
3

3. Common Media and Velocity Relations

  • Air has refractive index 1.0003.
  • Water has refractive index 1.33.
  • Ice has refractive index 1.31.
4

4. Atmospheric Refraction: Mirage, Twinkling of Stars, and Sunrise/Sunset

  • Air near a hot road or desert surface is hot and rarer, so light bends through layers of changing refractive index.
  • A mirage is the illusion of water on a hot road or in a desert.
  • Refractive index of air increases with increasing height.

Key Concepts

Central concept: Refraction of light is the change in direction of light while going from one transparent medium to another transparent medium.

Refraction of lightRefractive indexSnell's lawDirection of bendingGlass slabPartial reflectionCritical angleTotal internal reflection

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Frequently Asked Questions

What are the important topics in Refraction of light for Maharashtra Board Class 10 Science?
Key topics in Refraction of light include Refraction of Light and Glass Slab Activity, Laws of Refraction and Refractive Index, Common Media and Velocity Relations, Atmospheric Refraction: Mirage, Twinkling of Stars, and Sunrise/Sunset. Study these first, then practise questions on each for the Maharashtra Board Class 10 board exam.
How should I revise Refraction of light for the Maharashtra Board Class 10 board exam?
Learn the core ideas first, then work through the 45 practice questions on Refraction of 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.

More resources for Refraction of light

All Maharashtra Board Class 10 Science Syllabus

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