ICSE Class 10 Physics 2017 Solved Paper

The diagram below shows a point source $P$ inside a water container. Four rays $A, B, C$ , $D$ starting from the source $P$ are shown upto the water surface.

Question : 42 of 65

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Show in the diagram the path of these rays after striking the water surface. The Critical Angle for the water air surface is

48^{∘}

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