Question

what is a linear magnification?​

Answer 1

Answer:

The linear magnification or magnification of a spherical mirror may be defined as the ratio of the size (height) of the image to the size (height) of the object.

The magnification of a mirror is represented by the letter m.

Thus

m = Magnification Of Spherical mirrior

Answer 2

it is the ration of image length to object length measured in.planes

negative value of linear magnification will be inverted image

plss mark me as brainleist :-)