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Chapter 34: Q49P (page 1040)
An illuminated slide is held from a screen. How far from the slide must a lens of focal length be placed (between the slide and the screen) to form an image of the slide’s picture on the screen?
Distance from the slide at which the lens should be placed is .
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When a T. rex pursues a jeep in the movie Jurassic Park, we see a reflected image of the T. rex via a side-view mirror, on which is printed the (then darkly humorous) warning: “Objects in mirror are closer than they appear.” Is the mirror flat, convex, or concave?
80 through 87 80, 87 SSM WWW 83 Two-lens systems. In Fig. 34-45, stick figure (the object) stands on the common central axis of two thin, symmetric lenses, which are mounted in the boxed regions. Lens 1 is mounted within the boxed region closer to, which is at object distance . Lens 2 is mounted within the farther boxed region, at distance . Each problem in Table 34-9 refers to a different combination of lenses and different values for distances, which are given in centimeters. The type of lens is indicated by converging and for diverging; the number after or is the distance between a lens and either of its focal points (the proper sign of the focal distance is not indicated). Find (a) the image distance for the image produced by lens 2 (the final image produced by the system) and (b) the overall lateral magnification for the system, including signs. Also, determine whether the final image is (c) real (R)or virtual (V), (d) inverted(I) from object or non-inverted (NI), and (e) on the same side of lens 2 as the object or on the opposite side.
17 through 29 22 23, 29 More mirrors. Object stands on the central axis of a spherical or plane mirror. For this situation, each problem in Table 34-4 refers to (a) the type of mirror, (b) the focal distance , (c) the radius of curvature , (d) the object distance , (e) the image distance , and (f) the lateral magnification m. (All distances are in centimeters.) It also refers to whether (g) the image is real or virtual, (h) inverted (I) or noninverted from, and (i) on the same side of the mirror as the object or the opposite side. Fill in the missing information. Where only a sign is missing, answer with the sign.
A man looks through a camera toward an image of a hummingbird in a plane mirror. The camera is in front of the mirror. The bird is at the camera level, to the man’s right and from the mirror. What is the distance between the camera and the apparent position of the bird’s image in the mirror?
A short straight object of lengthLlies along the central axis of a spherical mirror, a distance pfrom the mirror. (a) Show that its image in the mirror has alength, (Hint: Locate the two ends of the object.) (b) Show that the longitudinal magnification is equal to is equal to m2, where m is the lateral magnification.
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