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

CBSE Class 10 CBSE Class 10 Science
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  1. Magnification = height of the image / height of the object = distance of the image / distance of the object

  2. The magnification produced by a plane mirror is +1 means then the size of the image is equal to the size of the object.

    • sign indicates that the image is erect.
      .-. Magnification ’ + 1’ indicates the image is erect and size of the image is equal to size of the object.