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 45°; for case (d), the angle of incidence is 0°. Determine the angle of refraction in each case.

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 45 A^ degree; for case (d), the angle of incidence is 0A^ degree. Determine the angle of refraction in each case.

Explanation / Answer

by snell's law

ni*sin(angle of incidence) =nr*sin(angle of refraction)

using this

case 1)1.4*0.707=1.6*sin(refraction)

angle of refraction= 37.7 similarly for all

b)angle of refraction = 41.5

c)angle of refraction=53.9

d)angle of refraction =0

all angles in degrees

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