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The angular dispersion of a prism depends on

The angular dispersion of a prism depends on
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  • A The index of refraction only
  • B The angle of incidence as well as the index of refraction
  • C The angle of incidence only
  • D The thickness of the prism only
Correct Answer: Option A
Explanation:
Dispersion is due to different refractive indices speeds and wavelengths.

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