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Home Q & A Board Science-Related Homework Help Physics
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ppk ppk
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12 years ago
A magnifying glass produces an angular magnification of 7. What is the focal length of this lens if a person whose near point is 28 cm reads a book using this magnifying glass?
A) 2 cm
B) 3 cm
C) 4 cm
D) 5 cm
E) 6 cm
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bio_manbio_man
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