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Unformatted text preview: (a) A (b) B (c) C (d) D (0.5/5) This is the multiple-choice question 8. 3. What happens to a light wave when it travels from air into glass? (a) Its speed remains the same. (b) Its speed increases. (c) Its wavelength increases. (d) Its wavelength remains the same. (e) Its frequency remains the same. (0.5/5) This is the multiple-choice question 4. 4. Determine the maximum angle for which the light rays incident on the end of the light pipe are subject to total internal reection along the walls of the pipe. Assume that the light pipe has an index of refraction of 1 . 36 and that the outside medium is air. (1.5/5) Solution: Problem 38....
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