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Make the Correct Choices for Each of the Following : Total Internal Reflection Takes Place When

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Question

Make the correct choices for each of the following : 

Total Internal reflection takes place when 

(where ∠i = angle of incidence,  ∠r = angle of refraction, ∠C = critical angle)

Options

  • Light is going from glass to air and  ∠I < ∠C

  • Light is going from air to glss and ∠i < ∠C

  • Light is going from glass to air and  ∠i > ∠C

  • Light is going from air to glss and ∠i > ∠C

  • Light is going from glass to air and  ∠i = ∠r

MCQ
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Solution

Light is going from glass to air and  ∠i > ∠C

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Chapter 2: Light - Exercises (Cumulative Revision) [Page 160]

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Frank Physics Part 2 [English] Class 10 ICSE
Chapter 2 Light
Exercises (Cumulative Revision) | Q 13. (b) | Page 160

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