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A ray of light is normally incident on one face of an equilateral glass prism. Answer the following: What is the angle of incidence on the first face of the prism? - Physics

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Question

A ray of light is normally incident on one face of an equilateral glass prism. Answer the following: 

What is the angle of incidence on the first face of the prism? 

One Line Answer
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Solution

If the incident ray normal to prism then angle of incidence is 0° .  

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Chapter 4: Refraction of Light at Plane Surfaces - EXERCISE - 4 (B) [Page 88]

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Selina Physics [English] Class 10 ICSE
Chapter 4 Refraction of Light at Plane Surfaces
EXERCISE - 4 (B) | Q 18. (a) | Page 88
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