Magnification produced by a spherical mirror is equal to:
1
height of an image - height of an object
2
\(\rm \frac {(height\ of\ an\ image)} {(height\ of\ an\ object)}\)
3
height of an object - height of an image
4
\(\rm \frac {(height\ of\ an\ object)} {(height\ of\ an\ image )}\)