Calculate the dispersive power for crown glass from the given data, μ v = 1.5230 , μ r = 1 .5145 .

Question

Calculate the dispersive power for crown glass from the given data, μ v = 1.5230 , μ r = 1 .5145 ., 2 °, 3 °, 0.0163 °, 2.5 °

MARKS App · Accepted Answer

Here μ y = μ v + μ r 2 ⇒ μ y = 1.5230 + 1.5145 2 ⇒ μ y = 3.0375 2 ⇒ μ y = 1.5187 Therefore, ω = μ v - μ r μ y - 1 ⇒ ω = 1.5230 - 1.5145 1.5187 - 1 ⇒ ω = 0.0085 0.5187 ⇒ ω = 0.0163 °

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