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Calculate the dispersive power for crown...

Calculate the dispersive power for crown glass from the given data
`mu_(v)=1.523` and `mu_(r)=1.5145`.

Text Solution

Verified by Experts

Here, `mu_v = 1.5230, mu_r = 1.5145, omega = ?`
Mean refraction index, `mu = (mu_v + mu_r)/(2) = (1.5230 + 1.5145)/(2) = 1.5187`
`omega = (mu_v - mu_r)/(mu - 1) = (1.5230 - 1.5145)/(1.5187 - 1) = (0.0085)/(0.5187) = 0.0163`.
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