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Critical Angle Questions

Practice 4 Critical Angle questions with detailed answers and explanations. Free MCQs, PYQs, and mock test questions for NEET, JEE, GATE, SSC and more.

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4
Total Questions
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Easy
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2
Medium
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Hard
Practice by Exam:Physics(4)

About critical angle โ€” practice questions, PYQs & concepts

critical angle is a frequently-tested topic on Physics. ExamTest.live currently lists 4 critical angle questions spanning previous-year papers from 2026 to 2026, each with worked solutions and a step-by-step explanation. Use the filters on this page to focus on a specific exam, difficulty level or year โ€” every answer key is free, no sign-up required.

critical angle weight in competitive exams

Across our critical angle question bank, the largest sources are Physics (4). Click any exam chip above to drill down to that exam-specific question set.

How to use this page

  • Start easy: 0 easy critical angle questions are available โ€” build fluency before moving up.
  • Target weak years: Use the year filter to focus on the most recent 2026 paper or older PYQs you have not attempted.
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  • Read every explanation: Even on questions you got right โ€” the explanation often surfaces a faster approach you can reuse.

All Critical Angle Questions(1โ€“4 of 4)

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Q1hardmcqPhysicsNEET 20222026
Two transparent media A and B are separated by a plane boundary. The speed of light in those media are and , respectively. The critical angle for a ray of light for these two media is:
Q2hardmcqPhysicsNEET 20232026
Light travels a distance in time in air and in time in another denser medium. What is the critical angle for this medium?
Q3mediummcqPhysicsAIEEE2026
A fish looking up through the water sees the outside world contained in a circular horizon. If the refractive index of water is and the fish is below the surface, the radius of this circle in cm is:
Q4mediummcqPhysicsAIEEE 20092026
A transparent solid cylindrical rod has a refractive index of . It is surrounded by air. A light ray is incident at the mid point of one end of the rod. The incident angle for which the light ray grazes along the wall of the rod is:
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Frequently Asked Questions

How many Critical Angle questions are on ExamTest.live?โ–ผ
We have 4 Critical Angle questions spread across 1 pages, covering easy, medium, and hard difficulty levels with detailed explanations.
Are Critical Angle MCQs free?โ–ผ
Yes. All Critical Angle questions, answers, and explanations on ExamTest.live are completely free. No account or subscription required.
Which exams include Critical Angle questions?โ–ผ
Critical Angle questions are commonly asked in Physics. You can filter by exam using the links above.
How do I practice Critical Angle questions effectively?โ–ผ
Start with easy questions to build confidence, then tackle medium and hard ones. Use the filter buttons to sort by difficulty. Reveal the answer only after attempting each question, and read the explanation thoroughly.