Question

define magnification in case of spherical mirror​

Answer 1

There is a ratio of the image size to the object size; that is called the magnification factor of a spherical mirror. That means the image size does not have to be the exact size of the original object- just a ratio.

Answer 2

hiii

m = -v/u

Linear magnification or transverse magnification is defined as the ratio of the height of the image to the height of the object. It is denoted by m.