The only source of light in a room is the lightbulb shown. An opaque disk is placed
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The only source of light in a room is the lightbulb shown. An opaque disk is placed in front of the bulb.
A screen is then placed successively at positions A, B, and C. At which screen position(s) does the disk cast a shadow that is completely dark at the center?
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Related Book For
College Physics A Strategic Approach
ISBN: 9780321907240
3rd Edition
Authors: Randall D. Knight, Brian Jones, Stuart Field
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