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Minimum Deviation

The RI's of q...

Question

The RI's of quartz (a doubly refracting material) wrt air are 1.4725 and 1.4661 resp. What is the angular dispersion produced by a quartz prism of angle 2.5degrees

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Solution

The dispersion=(μ1−μ2)A =(1.4725-1.4661)×2.5∘ =0.016∘

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