Chapter 5 of 7
Syllabus
The World of Colours and Vision — Syllabus
Kerala Board · Class 10 · Physics
What The World of Colours and Vision covers in Kerala Board Class 10 Physics: 4 topics, for the 2026-27 session.
45 questions24 flashcards5 concepts
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4 Topics · Kerala Board Class 10 Physics · 2026-27
Topics in The World of Colours and Vision
1
Refraction Through Glass Prism
- When light passes through a prism, it bends towards the base due to refraction at both surfaces
- Deviation occurs at both the entry and exit faces of the prism
- The amount of deviation depends on the angle of incidence and refractive index
2
Dispersion of Light and Spectrum
- White light is composite light containing all colors from violet to red
- Dispersion is the splitting of white light into its component colors
- Different colors have different wavelengths and undergo different amounts of deviation
3
Rainbow Formation
- Rainbow forms due to combined effect of refraction, dispersion, and internal reflection in water droplets
- Rainbow is always seen opposite to the Sun's direction
- Primary rainbow shows colors from red (outer) to violet (inner)
4
Recombination of Light and Newton's Disc
- Dispersed colors can be recombined to form white light using identical prism in reverse
- Newton's color disc demonstrates that white light contains all spectral colors
- When rotated rapidly, the disc appears white due to persistence of vision
Key Concepts
When white light passes throughRainbow is formed by combined effectPrimary colours of lightWhen light encounters small particlesObjects appear coloured because they reflect
Work through every topic in The World of Colours and Vision with notes and quizzes
Start This ChapterFrequently Asked Questions
What are the important topics in The World of Colours and Vision for Kerala Board Class 10 Physics?
Key topics in The World of Colours and Vision include Refraction Through Glass Prism, Dispersion of Light and Spectrum, Rainbow Formation, Recombination of Light and Newton's Disc. Study these first, then practise questions on each for the Kerala Board Class 10 board exam.
How should I revise The World of Colours and Vision for the Kerala Board Class 10 board exam?
Learn the core ideas first, then work through the 45 practice questions on The World of Colours and Vision. Revise definitions regularly and use flashcards for quick recall before the exam.
Sources & Official References
- Kerala Board of Public Examinations — keralapareekshabhavan.in
- National Education Policy 2020 — education.gov.in
Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.
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