In a prism, why does the angle of deviation increase as the angle of prism increases?

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Q. The angle of deviation decreases with increase in the angle of prism.

Q. How does the angle of minimum deviation produced by a prism change with increase in the refracting angle of prism?

Q. How does the angle of minimum deviation produced by a prism change with increase in the wavelength of incident 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 $δ_{m i n}$ is unique for the given light.

Q. Arrange the following colours in the increasing order of angle of deviation from a prism.

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