A lightbulb is 56 cm from a convex lens. Its image appears on a screen 31 cm

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A lightbulb is 56 cm from a convex lens. Its image appears on a screen 31 cm from the lens, on the other side.
(a) the lens’s focal length
(b) how much the image is enlarged or reduced.

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Essential University Physics

ISBN: 978-0321976420

3rd Edition Volume 2

Authors: Richard Wolfsonby

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Question Posted: Feb 28, 2020 11:52 AM

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A lightbulb is 56 cm from a convex lens. Its image appears on a screen 31 cm

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Essential University Physics

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