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The Critical Angle for Glass-air Interface is : - Physics

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Question

The critical angle for glass-air interface is :

Options

  • 24°

  • 48°

  • 42°

  • 45°

MCQ

Solution

42°

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Chapter 4: Refraction of Light at Plane Surfaces - Exercise 4 (D) 2 [Page 102]

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Selina Physics [English] Class 10 ICSE
Chapter 4 Refraction of Light at Plane Surfaces
Exercise 4 (D) 2 | Q 1 | Page 102
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