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Can a ray travel without dispersion from two prism of different material but same refracting angle ? Plz explain with its drevation.

Can a ray travel without dispersion from two prism of different material but same refracting angle ? Plz explain with its drevation.

Grade:11

1 Answers

Arun
25757 Points
5 years ago
A glass slab produces dispersion but the resulting rainbow like spectrum effect cannot be seen. This is due to the fact that all the refracted wavelengths emerge parallel to their incident direction. Thus the emergent beam is a parallel beam in case of a glass slab, while it is divergent in case of a prism.

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