What is the magnification produced by a plane mirror?

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2 Answers

The magnification of a plane mirror is 1.

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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.

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