Refraction Of Light Video Lessons

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Problem: (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?

FREE Expert Solution

Snell's law:

η1sinθ1=η2sinθ2

(a)

We are asked to determine the difference in θ2 for the two wavelengths.

Δθ = θ2g - θ2gy

θ2 = sin-1 ((η1sinθ1)/η2

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Problem Details

(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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