Question: 1. Parallel light rays cross interfaces from medium 1 into medium 2 and then into medium 3 as shown in Fig. 23-51. What can we

1. Parallel light rays cross interfaces from medium 1 into medium 2 and then into medium 3 as shown in Fig. 23-51. What can we say about the relative sizes of the indices of refraction of these media?
(a) n1 > n2 > n3
(b) n3 > n2 > n1
(c) n2 > n3 > n1
(d) n1 > n3 > n2
(e) n2 > n1 > n3
(f) None of the above.

2. To shoot a swimming fish with an intense light beam from a laser gun, you should aim
(a) Directly at the image.
(b) Slightly above the image.
(c) Slightly below the image.

1 2. 3.

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