(a) How does the angle of deviation produced by a prism change with an

1.	(a) How does the angle of deviation produced by a prism change with an increase in the angle of incidence? Draw a curve showing the variation in the angle of deviation with the angle of incidence at a prism surface. (b) Using the curve in part (a) above, how do you infer that for a given prism, the angle of minimum deviation δmin is unique for the given light.
Answer» (a) How does the angle of deviation produced by a prism change with an increase in the angle of incidence? Draw a curve showing the variation in the angle of deviation with the angle of incidence at a prism surface. (b) Using the curve in part (a) above, how do you infer that for a given prism, the angle of minimum deviation $δ_{m i n}$ is unique for the given light.

(a) How does the angle of deviation produced by a prism change with an increase in the angle of incidence? Draw a curve showing the variation in the angle of deviation with the angle of incidence at a prism surface. (b) Using the curve in part (a) above, how do you infer that for a given prism, the angle of minimum deviation δmin is unique for the given light.

Answer»

(a) How does the angle of deviation produced by a prism change with an increase in the angle of incidence? Draw a curve showing the variation in the angle of deviation with the angle of incidence at a prism surface.

(b) Using the curve in part (a) above, how do you infer that for a given prism, the angle of minimum deviation $δ_{m i n}$ is unique for the given light.

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