How does the angle of minimum deviation produced by a prism change with an increase in the wavelength of incident light and the refracting angle of the prism?

decreases, increases

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increases, decreases

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In both cases, minimum deviation decreases

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In both cases, minimum deviation increases

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Solution

The correct option is A
decreases, increases

With the increase in the wavelength of an incident light, the minimum deviation produced decreases i.e. the angle of deviation for red color is least. With the increase in refracting angle of prism, the minimum deviation produced increases.

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Similar questions

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

(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. A ray of light incident at an angle

48^{o}

on a prism refracting angle

60^{o}

suffers minimum deviation. Calculate the angle of minimum deviation.

Q. A ray of light is incident on one of the refracting faces of an equilateral prism, at an angle of incidence 48

^{\circ}

, in the minimum deviation position.Theangle of deviation produced by the prism is

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How does the angle of minimum deviation produced by a prism change with an increase in the wavelength of incident light and the refracting angle of the prism?

The correct option is A decreases, increases With the increase in the wavelength of an incident light, the minimum deviation produced decreases i.e. the angle of deviation for red color is least. With the increase in refracting angle of prism, the minimum deviation produced increases.

The correct option is A
decreases, increases

With the increase in the wavelength of an incident light, the minimum deviation produced decreases i.e. the angle of deviation for red color is least. With the increase in refracting angle of prism, the minimum deviation produced increases.