The drawing shows four different situations in which a light ray is traveling fr

Question

The drawing shows four different situations in which a light ray is traveling from one medium into another. In some of the cases, the refraction is not shown correctly. For cases (a), (b), and (c), the angle of incidence is 58

The drawing shows four different situations in which a light ray is traveling from one medium into another. In some of the cases, the refraction is not shown correctly. For cases (a), (b), and (c), the angle of incidence is 58A degree for case (d), the angle of incidence is 0A degree. Determine the angle of refraction in each case. (a) theta2 = (b) theta2 = (c) theta2 = (d) theta2 =

Explanation / Answer

use snell's law sin i/sin r = n2/n1 here i is angle of incidence r is angle of refraction and n is corresponding refractive indices

a) sin 58 /sin r = 1.6/1.4 => r = 47.9 degrees

b) sin 58 / sin r = 1.6/1.5 => r= 52.65 degrees

c) sin 58/ sin r = 1.4/1.6 => r = 75.69 degrees

d) sin i = sin r =0

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