HW11-phy2049-Spring-2012-solution

The law of refraction leads to 1 sin sin n1 assuming

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Unformatted text preview: gles of the triangle ABC must sum to 180°, so α + β = 120°. Now, α = 90° – θ3 = 51.32°, so β = 120° – 51.32° = 69.68°. Thus, θ2 = 90° – β = 21.32°. The law of refraction, applied to point A, yields sin θ1 = n sin θ2 = 1.60 sin 21.32° = 0.5817. Thus θ1 = 35.6°. 33- 65. When examining Fig. 33- 61, it is important to note that the a...
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