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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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An object is 30.0cmfrom a spherical mirror, along the mirror’s central axis. The mirror produces an inverted image with a lateral magnification of absolute value 0.500. What is the focal length of the mirror?
A moth at about eye level isin front of a plane mirror; a man is behind the moth,from the mirror. What is the distance between man’s eyes and the apparent position of the moth’s image in the mirror?
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.
A double-convex lens is to be made of glass with an index of refraction of .One surface is to have twice the radius of curvature of the other and the focal length is to be . What is the (a) smaller and (b) larger radius?
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 O, 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 C for converging and D for diverging; the number after C or D 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 localid="1663045000066" 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) realor virtual localid="1663045476655" , (d) inverted from object O or non-inverted , and (e) on the same side of lens 2 as object O or on the opposite side.
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