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Home Q & A Board Science-Related Homework Help Physics
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Chery Chery
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7 years ago
Without glasses, a person can comfortably read a magazine when it is held at 60 cm from his eyes. What should be the focal length of his contact lenses to allow him to read the magazine comfortably at a distance of 30 cm?
A) -30 cm
B) +30 cm
C) -60 cm
D) +60 cm
E) +90 cm
Textbook 
College Physics

College Physics


Edition: 1st
Authors:
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slicealemonslicealemon
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Chery Author
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#2
7 years ago
I needed this so much, thanks
wrote...
#3
7 years ago
Are you doing the questions found at the end of the chapter? They should help you with the others too
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