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Chapter 35: Optical Instruments

Expert-verified
Physics for Scientists and Engineers: A Strategic Approach with Modern Physics
Pages: 995 - 1021
Physics for Scientists and Engineers: A Strategic Approach with Modern Physics

Physics for Scientists and Engineers: A Strategic Approach with Modern Physics

Book edition 4th
Author(s) Randall D. Knight
Pages 1240 pages
ISBN 9780133942651

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Illustration

73 Questions for Chapter 35: Optical Instruments

  1. Suppose a camera’s exposure is correct when the lens has a focal length of 8.0 mm. Will the picture be overexposed, underexposed, or still correct if the focal length is “zoomed” to 16.0 mm without changing the diameter of the lens aperture? Explain

    Found on Page 1016

  2. Two converging lenses with focal lengths of 40cmand 20cmare 10cmapart. A 2.0cmtall object is 15cmin front of the40cmfoc

    Found on Page 1016

  3. Two converging lenses with focal lengths of 40 cm and 20 cm are 10 cm apart. A 2.0-cm-tall object is 15 cm in front of the 40-cm-focal-length lens. a). Use ray tracing to find the position and height of the image. Do this accurately using a ruler or paper with a grid, then make measurements on your diagram.

    Found on Page 1016

  4. Suppose you wanted special glasses designed to let you see underwater without a face mask. Should the glasses use a converging or diverging lens? Explain.

    Found on Page 1016

  5. A camera takes a properly exposed photo with a 3mmdiameter aperture and a shutter speed of 1/125s.. What is the appropriate aperture diameter for a 1/1500sshutter

    Found on Page 1017

  6. Ellen wears eyeglasses with the prescription-1.0D.

    Found on Page 1017

  7. What is the f-number of a relaxed eye with the pupil fully dilated to 8.0mm? model the eye as a single lens 2.4 cm in front of the retina

    Found on Page 1017

  8. what is the f-numberof a relaxed eye with the pupil fully dilated to localid="1648735653936" 8.0mm? model the eye as a single lens localid="1648735646217" 2.4cmin front of the retin

    Found on Page 1017

  9. A magnifier has a magnification of 5x. How far from the lens should an object be held so that its image is seen at the near-point distance of 25cm? Assume that your is immediately behind the lens.

    Found on Page 1017

  10. A microscope has a 20cmtube length. What focal-length objective will give total magnification localid="1649845070556" 500×when used with an eyepiece having a focal length 5.0cm

    Found on Page 1017

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