A light ray in material 1 goes into material 2.The angle of incidence in material 1 is 40.0$^{\circ}$and the angle of refraction in material 2 is 31.0$^{\circ}$.If the index of refraction of material 1 is 1.60,what is the index of refraction of material 2?
A) 3.20
B) 2.00
C) 1.88
D) 1.41
E) 1.20

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The Answer of A light ray in material 1 goes into material 2.The angle of incidence in material 1 is 40.0$^{\circ}$and the angle of refraction in material 2 is 31.0$^{\circ}$.If the index of refraction of material 1 is 1.60,what is the index of refraction of material 2?
A) 3.20
B) 2.00
C) 1.88
D) 1.41
E) 1.20

A Light Ray in Material 1 Goes into Material 2 ∘^{\circ}∘

A Light Ray in Material 1 Goes into Material 2 $^{\circ}$