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Physics 15 Online
OpenStudy (anonymous):

The focal distance of a convex lens is always: A. larger than the object distance B. positive C. smaller than the image distance D. negative

OpenStudy (anonymous):

B. positive

OpenStudy (anonymous):

are you sure??

OpenStudy (anonymous):

yess! For a Convex lens the focus is real and so the focal length is positive

OpenStudy (anonymous):

ok thanks

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