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MBA, Ph.D in Management
Harvard university
Feb-1997 - Aug-2003
Professor
Strayer University
Jan-2007 - Present
An object 2.00 cm high is placed 30.8 cm to the left of a converging lens having a focal length of 25.8 cm. A diverging lens having a focal length of −20.0 cm is placed 110 cm to the right of the converging lens. (Use the correct sign conventions for the following answers.)
Â
(a) Determine the final position and magnification of the final image. (Give the final position as the image distance from the second lens.)
final position :__________ cm (to the left of the first lens, between the two lenses, to the right of the second lens)
magnification _________
Â
(b) Is the image upright or inverted?
Â
(c) Repeat parts (a) and (b) for the case where the second lens is a converging lens having a focal length of +20.0 cm.
Â
image position : ________cm (to the left of the first lens, between the two lenses, to the right of the second lens)
magnification: _______
Is the image upright or inverted?
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