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ICSE Class 10 Physics 2017 Solved Paper

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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.
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Question : 42
Total: 65
Show in the diagram the path of these rays after striking the water surface. The Critical Angle for the water air surface is 48∘.
Solution:  
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