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°.

ICSE Class 10 Physics PYQ · 2020 Paper · Section II

6(b)3 Marks · 2020 · Section II · 2020 Paper

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°.

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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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