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q08-5887sol - 3 What happens to a light wave when it...

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PHY2054 Section 5887 Quiz 8: Ch 22 November 2, 2011 NAME UFID Show all your work step by step. 1. a light ray is incident normal to on one face of a 30 -60 90 block of dense flint glass (a prism) that is immersed in water. (a) Determine θ 1 . (0.5/5) (b) Determine θ 3 . (0.5/5) (c) Determine the exit angle θ 4 of the ray. (0.5/5) (d) A substance is dissolved in the water to increase the index of refraction. At what value of n 2 does total internal reflection cease at point P ? (1/5) Solution: Problem 49.
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2 2. A light ray containing both blue and red wavelengths is incident at an angle on a slab of glass. Which of the sketches in the figure represents the most likely outcome? (a) A (b) B (c) C (d) D (0.5/5) This is the multiple-choice question 8.
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Unformatted text preview: 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. A jewel thief hides a diamond by placing it on the bottom of a public swimming pool. He places a circular raft on the surface of the water ( n = 1 . 333) directly above and centered over the diamond. If the surface of the water is calm and the pool is 2 . 00 m deep, find the minimum diameter of the raft that would prevent the diamond from being seen. (1.5/5) Solution: Problem 44....
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