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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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