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Northa Northa
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Posts: 1284
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7 years ago
A person can read the newspaper when it is held at 60 cm from his eyes. What should the focal length of his contact lenses be to allow him to read the newspaper comfortably at a distance of 30 cm?
A) -30 cm
B) +30 cm
C) -60 cm
D) +60 cm
E) +90 cm
Textbook 
Physics

Physics


Edition: 4th
Author:
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Raj.SRaj.S
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Posts: 854
7 years ago
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Northa Author
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7 years ago
This helps so much. I'll try to figure out the rest on my own now
I am your master!
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