Determine at what distance is the object from the mirror

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Reference no: EM13304612

An object is placed in front of a concave mirror with a 21.4-cm radius of curvature. A real image twice the size of the object is formed. At what distance is the object from the mirror? Take a positive answer to be in front of the mirror, and a negative answer to be behind the mirror.

Reference no: EM13304612

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