How does the angle of minimum deviation ...

How does the angle of minimum deviation produced by a prism change with increase in (i) the wavelength of incident light, and (ii) the refracting angle of prism ?

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When the wavelength of the light increases, the angle of deviation decreases.

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(a) How does the angle of deviation produced by a prism change with 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 delta_("min") is unique for a given light.

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.

How does the deviation produced by a prism depend on (i) the refractive index of its material, and (ii) the wavelength of incident light.

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The angle of minimum deviation produced by an equilateral prism is 46^@ The refractive index of material of the prism.

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ICSE-SELF ASSESSMENT PAPER -5-SECTION-B

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