Question

the magnification mirror is + does it mean​

Answer 1

Magnification = height of the image/height of the object = distance of the image/distance of the object. The magnification produced by a plane mirror is +1 means then the size of the image is equal to the size of the object.

Answer 2

Answer:

Virtual and erect

Explanation:

and if it - then it will be real and inverted

For lens:

Real and inverted = + magnification

Virtual and erect = - magnification

Hope so it is helpful