A camera lens used for taking close-up photographs has a focal length of 22mm. The farthest it can be placed from the film is 33mm. (a) What is the

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A camera lens used for taking close-up photographs has a focal length of 22mm. The farthest it can be placed from the film is 33mm.

(a) What is the closest object that can be photographed?

(b) What is the magnification of this closest object?

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