A collector notices a rare beetle on a tree (1.0 mathrm{~m}) away. From this vantage point, the
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A collector notices a rare beetle on a tree \(1.0 \mathrm{~m}\) away. From this vantage point, the beetle has an angular size of \(0.69^{\circ}\). What would its angular size be if the collector approached it and looked at it with a magnifier having a \(5.0 \mathrm{~cm}\) focal length?
A. \(0.69^{\circ}\)
B. \(3.5^{\circ}\)
C. \(6.9^{\circ}\)
D. \(14^{\circ}\)
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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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