F09 - Exam 4p(1)

F09 - Exam 4p(1) - MC _ 11 _ 12 _ Raw Score _ Final...

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MC __________ 11 __________ 12 __________ Raw Score __________ Final Percentage __________% MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. Write your answer at the right. (2 points each) 1) A plane mirror is placed on the level bottom of a swimming pool that holds water ( n = 1.33) to a depth of 2.5 m. A small toy is suspended 1.9 m above the mirror. An observer above the water looks vertically downward at the toy and its image in the mirror. The apparent difference in depth between the toy and its image in the mirror is closest to: A) 1.9 m B) 2.9 m C) 1.6 m D) 2.5 m E) 2.2 m 1) Figure 34.1c 2) A thin hemispherical bowl of clear plastic floats on water in a tank. The radius of the bowl is 50 cm and the depth of the bowl in water is 10 cm. The depth of the water ( n = 1.33) in the tank is 740 cm. An object 8.0 cm long is on the bottom of the tank directly below the bowl. The object is viewed from directly above the bowl. Ignore the refractive effects of the plastic. In Fig. 34.1c, the size of the image, in cm, is closest to: A) 3.4 B) 6.0 C) 2.6 D) 1.7 E) 5.1 2) 1
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Figure 34.3 3) In Fig. 34.3, the thin lens forms a real image of the object 94.0 cm from the object. The focal length of the lens is closest to: A) 27.5 cm B) 22.0 cm C) 86.0 cm D) 25.5 cm E) 55.8 cm 3) Figure 34.4 4) In Fig. 34.4, L 1 is a thin double - convex lens having a focal length of magnitude 85.0 cm, and L 2 is a thin double - concave lens with focal length of magnitude 40.0 cm. The location of the final image produced by this combination of lenses, relative to L 2 , is closest to: A) 30.3 cm to the left of L 2 B) 290 cm to the left of L 2 C) 29.1 cm to the left of L 2 D) 33.2 cm to the left of L 2 E) 21.5 cm to the left of L 2 4) 5) Two radio antennas are 100 m apart on a north - south line. The two antennas radiate in phase at a frequency of 4.9 MHz. All radio measurements are made far from the antennas. The smallest angle, reckoned north of east from the antennas, at which destructive interference of the two radio waves occurs, is closest to: A) 8.9° B) 22° C) 27° D) 18° E) 13° 5) 2
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Figure 35.2c
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F09 - Exam 4p(1) - MC _ 11 _ 12 _ Raw Score _ Final...

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