Light of wavelength 4000 Å is incident at small angle on a prism of apex angle 4º. The prism has n v = 1.5 & n r = 1.48. The angle of dispersion produced by the prism in this light is:
Text Solution
Verified by ExpertsThe correct answer is:
D
Dispersion will not occur for a light of λ = 4000 Å.
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