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The following diagram shows a 60^(@),30^...

The following diagram shows a `60^(@),30^(@),90^(@)` glass prism of critical angle `42^(@)`. Copy the diagram and complete the path of incident ray AB emerging out of the prism marking the angle of incidence on each surface.

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The completed diagram is given below.
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ICSE-QUESTION PAPER-2018 -SECTION-II
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