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

MCQ

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

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Solution

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

Concept: Refraction of Light from a Plane Transparent Surface
  Is there an error in this question or solution?
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APPEARS IN

Frank ICSE Class 10 Physics Part 2
Chapter 2 Light
Exercise | Q 2.2 | Page 115
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