Multiple Choice
What is the power of a lens that has a focal length of -40 cm and a width of 2.0 cm?
A) -2.5 diopters
B) -0.50 diopters
C) +4.0 diopters
D) +2.5 diopters
E) -50 diopters
Correct Answer:
Verified
Correct Answer:
Verified
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