Frequently Asked Questions...
By what length is a light ray displaced after passing through a 5.30 cm thick sheet of material (n = 1.32)?
By what length is a light ray displaced after passing through a 5.30 cm thick sheet of material (n = 1.32) with an incident angle of θ = 39.0 degrees?
Answer:
use Snell's law
n1( sin θ1) = n2(sin θ2)
1.32* sin 39° = 1* sin θ2, n2 is 1 since the light ray is entering air and θ2 is the angle of the refracted wave
sin θ2 = 0.831
θ2 = 56.2°
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