Light

Explore the fascinating properties and behaviors of light, including reflection, refraction, lenses, mirrors, color, and optical phenomena. Understand both the wave and particle nature of light and its applications in optical instruments.

Nature of Light

Explore light as both a wave and a particle and how it behaves in different contexts.


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Reflection of Light

Learn how light bounces off surfaces according to the law of reflection.


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Refraction of Light & Snell's Law

Discover how light bends when moving between media and how Snell’s Law governs this.


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Dispersion of Light

Understand how light separates into colors when passing through prisms or rain.


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Colour and Filters

Learn how light mixing, absorption, and transmission explain color perception and filter behavior.


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Lenses and Mirrors

Explore how curved surfaces focus or spread light, forming real and virtual images.


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Lens and Mirror Formula

Learn the quantitative relationships that describe image formation in lenses and mirrors.


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Magnification

Understand how image size compares to object size and how to calculate magnification.


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Optical Instruments

Study tools like microscopes, telescopes, and the human eye that use lenses and mirrors to manipulate light.


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Diffraction

Learn how waves bend around obstacles or spread after passing through narrow openings.


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Ready to take IJSO-style light practice questions?

Apply your knowledge with our collection of IJSO-style light problems.

View Light Practice Questions
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Ready to take IJSO-style light mock tests?

Challenge yourself with our collection of IJSO-style mock tests in light, designed to test your problem-solving skills and understanding.

View Light Mock Tests