ZQuiz 2 - Exam Name___________________________________...

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Unformatted text preview: Exam Name___________________________________ MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) When light travels from air into water, A) its velocity, wavelength and frequency all change. B) its velocity and wavelength change, but its frequency does not change. C) its velocity changes, but its frequency and wavelength do not change. D) its frequency changes, but its velocity and wavelength do not change. E) its wavelength changes, but its velocity and frequency do not change. 2) An electromagnetic wave has a peak electric field of 5.00 kV/m. What is the mean intensity of the wave? A) 33 kW/m 2 B) 66 kW/m 2 C) 6.6 kW/m 2 D) 13 kW/m 2 3) A light ray reflected from a flat mirror moves through an angle of 79 e as the mirror is rotated. Through what angle was the mirror rotated? A) 79 e B) 158 e C) 40 e D) 20 e Figure 34.5 4) In Figure 34.5, in the investigation of a new type of optical fiber (index of refraction n = 1.37), a laser beam4) In Figure 34....
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ZQuiz 2 - Exam Name___________________________________...

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