quiz 8 D

# quiz 8 D - Exam Quiz 8 Physics 2C Name_Reflection and...

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Exam Quiz 8, Physics 2C Name__Reflection and refraction______________________________ MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) Figure 33.1a 65 e A ray in glass arrives at the glass-water interface at an angle of 48 e with the normal. The refracted ray, in water, makes a 65 e angle with the normal. The index of refraction of water is 1.33. In Figure 33.1a, the angle of incidence of a different ray in the glass is 12 e . The angle of refraction in the water is closest to: A) 11 e B) 13 e C) 15 e D) 19 e E) 17 e 2) Figure 33.4 n = 1.27 In Figure 33.4, in the investigation of a new type of optical fiber (index of refraction n = 1.27), a laser beam is incident on the flat end of a straight fiber in air. What is the maximum angle of incidence q 1 if the beam is not to escape from the fiber? A) 42.2 e B) 48.4 e C) 51.5 e D) 45.3 e E) 39.1 e 3) A bichromatic source produces light having wavelengths in vacuum of 450 nm and 650 nm. The indices of

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## This note was uploaded on 11/18/2011 for the course PHYS 2C PHYS 2C taught by Professor Groisman during the Spring '11 term at UCSD.

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quiz 8 D - Exam Quiz 8 Physics 2C Name_Reflection and...

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