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Chapter 4 of 12
Important Questions

Refraction of Light

ICSE · Class 10 · Physics

Most important questions from Refraction of Light for ICSE Class 10 Physics board exam 2026. MCQs, short answer, and long answer questions with marks.

42 questions24 flashcards5 concepts

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A labeled diagram showing a light ray passing from a rarer medium (air) to a denser medium (glass), bending towards the normal. It illustrates the incident ray, refracted ray, normal, angle of inciden
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42 Questions·
multiple choicemultiple correct

Sample Questions

1multiple correct

Which of the following factors affect the refractive index of a medium?

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Density of the medium, Temperature of the medium, Wavelength of light

Refractive index depends on density, temperature, and wavelength. It does not depend on intensity of light.

2multiple correct

Which conditions are necessary for total internal reflection?

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Light travels from denser to rarer medium, Angle of incidence > critical angle

For TIR, light must travel from denser to rarer medium and angle of incidence must be greater than critical angle.

3multiple choice

The first law of refraction states that:

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Incident ray, refracted ray and normal lie in same plane

The first law states that incident ray, refracted ray and normal at point of incidence lie in the same plane.

4multiple choice

When light passes through a glass prism, the emergent ray:

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Deviates towards the base

When light passes through a prism, it deviates towards the base due to refraction at both surfaces.

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Frequently Asked Questions

What are the important topics in Refraction of Light for ICSE Class 10 Physics?
Key topics in Refraction of Light include Common Misconceptions Map — Refraction of Light, Refraction of Light — Chapter Overview, Refraction of Light — Complete Chapter Mind Map. These are the concepts ICSE Class 10 examiners draw on most — study them first, then practise related questions.
How to score full marks in Refraction of Light — ICSE Class 10 Physics?
Understand the core concepts first, then work through the 42 practice questions available for this chapter. Revise formulas and definitions regularly, and use flashcards for quick recall before the exam.
How many important questions are there in Refraction of Light?
There are 42 practice questions available for Refraction of Light. These cover multiple question types including MCQs, short answer, and long answer questions.

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Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.

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