# What is the magnification produced by a plane mirror?

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What is the magnification produced by a plane mirror?

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The magnification produced by a plane mirror is +1. Because,

Magnification = $\frac{Height\,Of\,Image}{Height\,Of\,Object}$

And the height of image formed by plane mirror is equal to height of object.

Therefore, Height of Image = Height of Object.

Hence Magnification is +1.