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tankster tankster
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Posts: 851
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7 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
Textbook 
Physics

Physics


Edition: 4th
Author:
Read 103 times
1 Reply
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Answer verified by a subject expert
Raj.SRaj.S
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Posts: 854
7 years ago
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tankster Author
wrote...

7 years ago
this is exactly what I needed
wrote...

Yesterday
Just got PERFECT on my quiz
wrote...

2 hours ago
Brilliant
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