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

increases

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decreases

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remains same

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cant say

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Solution

The correct option is B decreases
Shorter wavelengths travel more slowly through the prism and hence are further deviated as compared to longer wavelengths. Hence, angle of deviation decreases with increase in wavelength.

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Similar questions

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?

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

How does the deviation produced by a triangular prism depend on the colour (or wavelength) of light incident on it ?

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

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

The correct option is B decreasesShorter wavelengths travel more slowly through the prism and hence are further deviated as compared to longer wavelengths. Hence, angle of deviation decreases with increase in wavelength.

The correct option is B decreases
Shorter wavelengths travel more slowly through the prism and hence are further deviated as compared to longer wavelengths. Hence, angle of deviation decreases with increase in wavelength.