Question

the magnification produced by a spherical mirror is-2 what does this mean ?​

Answer 1

Answer:

This means the spherical mirror is a 'concave mirror'.

Explanation:

The magnification produced by a spherical mirror is -2, this means two things.

These are:

1) Negative sign shows that the mirror is a concave mirror and the image formed is real image & inverted.

2) The size of the image formed is twice the size of the object.