Question

5 Define:
2 focal length of a concave mirror
Centre of curdature of a spherical mirror​

Answer 1

Answer:

Focal Length - The distance between the pole P of the concave mirror and the focus F is the focal length of the concave mirror.

The point in the center of the sphere from which the mirror was sliced is known as the center of curvature

Answer 2

Answer:

focal length=the distance btwn the pole of the concave mirror and focal point is called focal length

2)centre of curvature= the centre of curvature is the centre of mirror from which the mirror is cut

hope the ans is helpfull