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A parallel beam of light containing two wavelengths of λ1=455 nm and λ2 =642 nm enters...

A parallel beam of light containing two wavelengths of λ1=455 nm and λ2 =642 nm enters the silicate flint glass of an equilateral prism at an angle of 45o. At what angle θ1 and θ2 does each beam leave the prism? (hint: Use the chart to find the index of refraction as a function of wavelength)
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