Plane mirror ray diagram

An example figure from the Ray Diagram Generator.

A ray diagram of a plane mirror with an object 15 cm in front; two rays from its tip reflect at equal angles and their dashed extensions meet behind the mirror at an upright virtual image the same size, 15 cm behind — A plane mirror with an object 4 cm tall, 15 cm in front of it. Two rays from the object’s tip reflect at equal angles, one off the mirror level with the object’s foot and one above the tip. Their dashed extensions meet behind the mirror at the virtual image, upright and the same size, 15 cm behind it, the distances marked d_o and d_i.

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Answer key (real is positive)

Image distance: −15 cm, magnification: +1
Virtual, upright, same size, behind the mirror

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