What is the magnification of plane mirror

What is the magnification of the images formed by plane mirrors and why?

The magnification produced by a plane mirror is +1. What does this mean?

The magnification of the image formed by a plane mirror is 1. This is because the size of the image formed is equal to the size of the object.

magnification `m=("Height of image"(H_i))/("Height of object"(H_o))`

Here, Hi is the height of the image and Ho is the height of the object.

Concept: Magnification Due to Spherical Lenses

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