(i) Why do different rays deviate differently in the prism.
(ii) How will you use two identical prisms so that a narrow beam of white light incident on one prism emerges out of the second prism as white light?
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Answer:
The rays of different wavelengths have different speeds in a certain medium. Therefore, the refractive index of the prism is different for different wavelengths and thus, the different rays deviate differently in the prism.
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Answer:
bcz prism has a substance called crystal which separate all the seven rays
Explanation:
When two identical prisms are placed in such a way that one is placed inverted with respect to the other and a narrow beam of white light is incident on one, it emerges out of the second prism as white light. Angle of deflections of the two prisms are equal and opposite
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