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Chery Chery
wrote...
Posts: 3587
7 years ago
What is the focal length of the corrective contact lens needed by a nearsighted person whose far point is at 60 cm?
A) -60 cm
B) -30 cm
C) +30 cm
D) +60 cm
E) +130 cm
Textbook 
College Physics

College Physics


Edition: 1st
Authors:
Read 186 times
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lyalllyall
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Posts: 626
7 years ago
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Chery Author
wrote...
7 years ago
Thanks a million
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