College Physics (10th Edition)
10th Edition
ISBN: 9780321902788
Author: Hugh D. Young, Philip W. Adams, Raymond Joseph Chastain
Publisher: PEARSON
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Chapter 25, Problem 37P
The objective mirror of the Hubble Space Telescope has a focal length of 57.6 meters. The planet Mars's closest approach to the earth is about 35 million miles. Use data from Appendix E to help you calculate the size of the real image of Mars formed by the Hubble's objective mirror when the planet is closest to earth.
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In this experiment, the distances are p = xL - xO and q = xS - xL. They satisfy the thin-lens equation, when the image is focused on the screen:
1/p+1/q=1/f
If you place the screen at a different position, you get a blurry image.
The three objects are at the following three positions, and the image is focused on the screen. Calculate the focal length of the lens, f, in mm.
xL = 316 mm
xO = 165 mm
xS = 508 mm
A geologist is examining rock samples with a diverging lens. The lens has a focal length of magnitude 23.0 cm. The lens is always held between the geologist's eye and the object under study. However, the distance between the lens and the object is different for each object that the geologist observes.
Determine the image location and magnification for each of the following three objects. In addition, determine whether the image is real or virtual, whether it is upright or inverted, and whether it makes the object appear larger or smaller than actual size.
(a)
The object lies 46.0 cm behind the lens. Determine the image location. (Enter the magnitude in cm.)
q=
Determine the magnification.
M=
Select all of the following that apply to the image formed in part (a).
Real
Virtual
Upright
Inverted
Enlarged
Shrunken
b) The object lies 23.0 cm behind the lens. Determine the image location. (Enter the magnitude in cm.)
q =
Determine the magnification.
M =
Select all of the following…
An object is placed 40 cm from a converging lens with a focal length of 20 cm. The image formed by this lens becomes the object for a second diverging lens with a focal length of −15 cm. The distance between the two lenses is 50 cm. Calculate the final image distance formed by this two-lens system. Draw a diagram of the optical system.
Chapter 25 Solutions
College Physics (10th Edition)
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