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ICSE Class 10 Physics 2018 Paper

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A ray of light XYX Y passes through a right angled isosceles prism as shown below.
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Question : 46 of 78
Marks: +1, -0
What is the angle through which the incident ray deviates and emerges out of the prism?
Solution:  
The angle through which the incident ray deviates and emerges out of the prism is 90∘90^{\circ}.
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