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Home Q & A Board Science-Related Homework Help Physics
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mikael mikael
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10 years ago
A 35 mm camera equipped with a 40 mm focal length lens is used to photograph a tree 15 m tall. The aperture of the lens is set at f/ 4. The aperture diameter at f/ 4, in mm, is closest to: 
A) 10 
B) 6 
C) 8 
D) 12 
E) 14 
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padrepadre
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10 years ago
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