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Grade 12Wave Optics

Please help me with this questionas soon as posssible?

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Profile image of Ayush Mittal
7 Years agoGrade 12
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1 Answer

Profile image of Eshan
7 Years ago
Dear student,

From Snell’s law,sin i=\mu sin r
Hence​Slope of the curve=tan\theta=sin r/sin i=\dfrac{1}{\mu}=\dfrac{v}{c}
\implies v=c tan\theta