An object is located to the left of a concave lens whose focal length is -34 cm.
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An object is located to the left of a concave lens whose focal length is -34 cm. The magnification produced by the lens is m = 1/3
(a) To decrease the magnification to m = 1/4, should the object be moved closer to the lens or farther away?
(b) Calculate the distance through which the object should be moved.
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