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Chapter 34: Q43P (page 1040)
A movie camera with a (single) lens of focal length takesa picture ofa person standing away. If the person istall, what is the height of the image on the film?
The height of the image on the film is .
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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 . (All distances are in centimeters.) It also refers to whether (g) the image is real localid="1662999140986" or virtual , (h) inverted or non-inverted from 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.
In Fig. 34-60, a sand grain is from thin lens 1, on the central axis through the two symmetric lenses. The distance between focal point and lens is for both lenses; the lenses are separated by . (a) What is the distance between lens 2 and the image it produces of the sand grain? Is that image (b) to the left or right of lens 2, (c) real or virtual, and (d) inverted relative to the sand grain or not inverted?
In Fig. 34-26, stick figure O stands in front of a thin, symmetric lens that is mounted within the boxed region; the central axis through the lens is shown. The four stick figuressuggest general locations and orientations for the images that might be produced by the lens. (The figures are only sketched in; neither their height nor their distance from the lens is drawn to scale.) (a) Which of the stick figures could not possibly represent images? Of the possible images, (b) which would be due to a converging lens, (c) which would be due to a diverging lens, (d) which would be virtual, and (e) which would involve negative magnification?
An object is placed against the center of a converging lens and then moved along the central axis until it is from the lens. During the motion, the distance between the lens and the image it produces is measured. The procedure is then repeated with a diverging lens. Which of the curves in Fig. 34-28 best gives versus the object distance p for these lenses? (Curve 1 consists of two segments. Curve 3 is straight.)
A concave shaving mirror has a radius of curvature of . It is positioned so that the (upright) image of a man鈥檚 face is times the size of the face. How far is the mirror from the face?
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