1.4. The critical angle for total internal reflection at a liquid-air interface is 42.5º. If a ray of light travelling in the liquid has an angle of incidence at the interface of 35.0°, what is the refractive index of the liquid? A) 1.18 B) 1.21 C) 1.48 D) 1.33 E) None
1.4. The critical angle for total internal reflection at a liquid-air interface is 42.5º. If a ray of light travelling in the liquid has an angle of incidence at the interface of 35.0°, what is the refractive index of the liquid? A) 1.18 B) 1.21 C) 1.48 D) 1.33 E) None
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Transcribed Image Text:1.4. The critical angle for total internal reflection at a liquid-air interface is 42.5º. If a ray of light
travelling in the liquid has an angle of incidence at the interface of 35.0°, what is the refractive
index of the liquid?
A) 1.18
B) 1.21
C) 1.48
D) 1.33
E) None
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