Question

Define the focus point of a mirror​

Answer 1

Answer:

principal focus or focal point is a special focus: For a lens, or a spherical or parabolic mirror, it is a point onto which collimated light parallel to the axis is focused. ... The focus of a hyperbolic mirror is either of two points which have the property that light from one is

Answer 2

A principal focus or focal point is a special focus: For a lens, or a spherical or parabolic mirror, it is a point onto which collimated light parallel to the axis is focused. ... The focus of a hyperbolic mirror is either of two points which have the property that light from one is reflected as if it came from the other.