ICSE Class 10 Physics 2019 Solved Paper
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Question : 41 of 74
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How does the angle of deviation formed by a prism change with the increase in the angle of incidence?
Draw a graph showing the variation in the angle of deviation with the angle of incidence at a prism surface.
Draw a graph showing the variation in the angle of deviation with the angle of incidence at a prism surface.
Solution:
As the angle of incidence increases, the angle of deviation first decreases, reaches to a minimum value for a certain angle of incidence and then on further increasing the angle of incidence, the angle of deviation begins to increase.
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