Physics
Complete the path of the ray AB through the glass prism in PQR till it emerges out of the prism. Given the critical angle of the glass as 42°.
Refraction Plane Surfaces
ICSE 2020
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Answer
The path of the ray AB through the glass prism in PQR till it emerges out of the prism is shown below:
Note that the total internal reflection takes place at C.
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