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The Refractive index of a material of a prism is different for different colors.

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in Physics – Class 12 by (135k points)
The Refractive index of a material of a prism is different for different colors.

(a) True

(b) False

This question was posed to me in a national level competition.

The origin of the question is Ray Optics topic in chapter Ray Optics and Optical Instruments of Physics – Class 12

1 Answer

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Best answer
Right answer is (a) True

Explanation: Yes, this statement is true. The Refractive index is the property of a material. Since δ=(μ-1)A, different colors turn through different angles on passing through the prism. This is the cause of dispersion. Therefore, the refractive index of a material of a prism is different for different colors.

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