Red light $(n=1.520)$ and violet light $(n=1.538)$ traveling in air are incident on a slab of crown glass. Both colors enter the glass at the same angle of refraction. The red light has an angle of incidence of $30.00^{\circ} .$ What is the angle of incidence of the violet light?
Added by Kevin M.
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For red light: $n_{air} \sin(\theta_{red, i}) = n_{glass} \sin(\theta_{red, r})$ For violet light: $n_{air} \sin(\theta_{violet, i}) = n_{glass} \sin(\theta_{violet, r})$ Show more…
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