25_InstSolManual_PDF_Part2

25_InstSolManual_PDF_Part2 - 25-2Chapter 25(b)(c)(d)Keep...

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Unformatted text preview: 25-2Chapter 25(b)(c)(d)Keep constant, where tis the time the shutter is open. soThe closest shutter speed setting is 25.5. Set Up:The image is real since it is projected onto the film. Solve:Reflect:The object distance sis much greater than so the image is just beyond the focal point of the lens.25.6. Set Up:The image is real since it is projected onto the film. is the distance from the lens to the film plane.Solve: (a)Since the image is real the lens must be convex. (b)For For gives The range of distances is 50 mm to 56 mm.25.7. Set Up:The photocells must be at the image location.Solve: (a)(b)The image is inverted and 3.33 cm tall. so the image is real.(c)Reflect:Since the image is projected onto the photocell, it must be real. Any real image formed by a single lens isinverted.25.8. Set Up:The image is real since it is projected onto the film and is the distance from the lens to the film....
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