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Question #89069
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If a lens has a power of -5.0 dioptres, what type of lens is it and what is its focal length?
A. It is a converging lens with a focal length of +0.2 m
B. It is a diverging lens with a focal length of -0.2 m
C. It is a converging lens with a focal length of -0.2 m
D. It is a diverging lens with a focal length of +0.2 m
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