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A forensic scientist examines a hair with a microscope that has a
15x objective and a 5x eyepiece. The magnified hair has the
same apparent size as a 2.0-cm-wide ribbon seen from a
distance of 1.0 m.
What is the diameter of the hair?
Express your answer with the appropriate units.
d= 0.27
HÅ
mm
?

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