In the figure, light initially in material 1 refracts into material 2,

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In the figure, light initially in material 1 refracts into material 2, crosses that material, and is then incident at the critical angle on the interface between materials 2 and 3. The indices of refraction are n1 = 1.60, n2 = 1.40, n3 = 1.18. (a) What is angle θ? (b) if θ is increased, is there refraction of light into material 3? (a) Number Units (b)

$In the figure, light initially in material 1 refracts into material 2, crosses that material, and is then incident at the critical angle on the interface between materials 2 and 3. The indices of refraction are n1 = 1.60, n2 = 1.40, n3 = 1.18. (a) What is angle θ? (b) if θ is increased, is there refraction of light into material 3? (a) Number Units (b)$

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In the figure, light initially in material 1 refracts into material 2 , crosses that material, and is then incident at the critical angle on the interface between materials 2 and 3 . The indices of refraction are

n_{1} = 1.60, n_{2} = 1.40, n_{3} = 1.18

. (a) What is angle

θ

? (b) if

θ

is increased, is there refraction of light into material 3? (a) Number

1 Units

◻

(b)

◻

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