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Draw a graph of angle of deviation versu...

Draw a graph of angle of deviation versus the angle of incidence in a refracting prism.

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For d = D called the angle of minimum deviation, the refraction in the prism becomes symmetric. For a thin prism, deviation produced by it, does not depend on the angle of incidence. Deviation is a constant quantity for a given prism.
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SUBHASH PUBLICATION-RAY OPTICS AND OPTICAL INSTRUMENTS-TWO MARKS QUESTIONS WITH ANSWERS
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