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ICSE Class 10 Physics Question 18 of 19

Refraction of Light at Plane Surfaces — Question 19

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Question 19

The diagram below shows a light source P embedded in a rectangular glass block ABCD of critical angle 42°. Complete the path of ray PQ till it emerges out of the block. [Write necessary angles]

The diagram below shows a light source P embedded in a rectangular glass block ABCD of critical angle 42°. Complete the path of the ray PQ till it emerges out of the block. [Write necessary angles.] ICSE 2019 Physics Solved Question Paper.
Answer

Completed diagram showing the path of the ray PQ till it emerges out of the block is shown below:

The diagram below shows a light source P embedded in a rectangular glass block ABCD of critical angle 42°. Complete the path of the ray PQ till it emerges out of the block. [Write necessary angles]. ICSE 2019 Physics Solved Question Paper.