Image magnification conditions · PhysicsBowl 2019 #21

Physics · optics

Problem

Let M represent the magnification of an image. For which of the following arrangements of an object and an optical device would -1 < M < 0? (A) The object is placed less than one focal length in front of a converging mirror. (B) The object is placed between one focal length and two focal lengths in front of a diverging mirror. (C) The object is placed less than one focal length in front of a diverging lens. (D) The object is placed more than two focal lengths in front of a converging lens. (E) The object is placed between one focal length and two focal lengths in front of a plane mirror.

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