A 1 [cm] tall object is 50 [cm] away from a converging lens of focal length f = 30 [cm]. A second converging lens of focal length f = 80 [cm] is placed 2 [m] behind the first lens. a) Where is the image formed by the first lens (ignoring the second lens)? How big is it? b) Now, this image is the object for the second lens. Where is the second (final) image formed by the second lens? How big is it?

University Physics Volume 3
17th Edition
ISBN:9781938168185
Author:William Moebs, Jeff Sanny
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Chapter2: Geometric Optics And Image Formation
Section: Chapter Questions
Problem 63P: Au object of height 3.0 cm is placed at 25 cm in front of a diverging lens of focal length 20 cm....
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A 1 [cm] tall object is 50 [cm] away from a converging lens of focal length f = 30 [cm].
A second converging lens of focal length f = 80 [cm] is placed 2 [m] behind the first lens.
a) Where is the image formed by the first lens (ignoring the second lens)? How big is it?
b) Now, this image is the object for the second lens. Where is the second (final) image
formed by the second lens? How big is it?
Transcribed Image Text:A 1 [cm] tall object is 50 [cm] away from a converging lens of focal length f = 30 [cm]. A second converging lens of focal length f = 80 [cm] is placed 2 [m] behind the first lens. a) Where is the image formed by the first lens (ignoring the second lens)? How big is it? b) Now, this image is the object for the second lens. Where is the second (final) image formed by the second lens? How big is it?
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