Question

What is Dispersive Power?

Answer

Dispersive Power - The dispersive power of a prism material is measured by the ratio of angular dispersion to the mean deviation suffered by light beam. ∴ Dispersive power, [ω = δ_V - δ_R/δ_γ = μ_V - μ_R/μ - 1 where, μ = μ_Y = Mean refractive index

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