Physics
An equilateral prism can be used to deviate a ray of light through:
- 30°
- 60°
- 75°
- 90°
Refraction Plane Surfaces
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Answer
60°
Reason — An equilateral prism can be used to deviate a ray of light through 60°.
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Related Questions
A scientist while performing an experiment desires that no incident light escapes from the top of a glass block. He varies the angle X continuously and finally manages to achieve his objective. Which of the following options describes the correct answer?
Angle Effect Produced (a) Decreased Total Internal Reflection (b) Decreased Total Internal Refraction (c) Increased Total Internal Refraction (d) Increased Total Internal Reflection - Option (a)
- Option (b)
- Option (c)
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When a ray of light travels from substance A to substance B and reaches their boundary, it suffers total internal reflection. Out of the following possibilities, which one is correct?
Angle i Substance B (a) i < C Optical density of A is less than B (b) i = C Optical density of A is more than B (c) i > C Optical density of A is less than B (d) i > C Optical density of A is more than B - Option (a)
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Which of the following figures will depict deviation of ray of light A through 180°
The diagram below shows a light source P embedded in a rectangular glass block ABCD of critical angle 42°. The ray PQ would:
![The diagram below shows a light source P embedded in a rectangular glass block ABCD of critical angle 42°. Complete the path of the ray PQ till it emerges out of the block. [Write necessary angles.] ICSE 2019 Physics Solved Question Paper.](https://cdn1.knowledgeboat.com/img/abp10/5/icse-2019-physics-question-paper-solved-2e-1200x730.png)
- pass undeviated
- suffer refraction
- suffer reflection
- suffer total internal reflection