We are asked to determine the difference in θ2 for the two wavelengths.
Δθ = θ2g - θ2gy
θ2 = sin-1 ((η1sinθ1)/η2)
(a) A narrow beam of light containing yellow (580 nm) and green (550 nm) wavelengths goes from polystyrene to air, striking the surface at a 30.0° incident angle. What is the angle between the colors when they emerge? (b) How far would they have to travel to be separated by 1.00 mm?
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