In order to start a fire, a camper turns a lens toward the sun to focus its
Question:
In order to start a fire, a camper turns a lens toward the sun to focus its rays on a piece of wood. The lens has a 10 cm focal length. Draw a ray diagram of the lens and the incoming light rays to show where the wood should be placed for the best effect.
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Related Book For
College Physics A Strategic Approach
ISBN: 9780134779218
4th Edition
Authors: Randall D. Knight, Brian Jones
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