1 θ1 = 39o θ2 = 25o n = 1.52 n = 2.42 n = 1.33 θ. Physics. Refraction, Critical
Angle, Total Internal Reflection Worksheet. 1. In the picture below, determine the
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Physics Refraction, Critical Angle, Total Internal Reflection Worksheet
1. In the picture below, determine the angle of the incoming ray. (Answer: 33.3o)
θ
n = 2.42 n = 1.33
2. In the picture below, determine the index of refraction of the 1st material. (Answer: 1.02)
θ1 = 39o
n = 1.52
θ2 = 25o
3. In the picture below, determine the value of the reflected angle, θ2 . What do you know about the index of refraction of the top material compared to that of the bottom material? (Answer: 32o)
θ1 = 32o
θ2
4. In the picture below, determine the value of the index of refraction of the material on the left. (Answer: 1.39)
θ = 46o air
1
5. In the picture below, determine the angle of refraction. (Answer: 30.4o)
n = 1.1
θ1 = 18o
θ2 n = 1.8
6. In the picture below, determine the angle of reflection. (Answer: 22o)
θ1 = 22o
7. In the picture below, determine the angle θ. (Answer: 45.2o)
n = 2.2 n = 3.1
θ
8. In the picture below, determine the angle θ1. (Answer: 27.6o)
