Question

Centre of sphere from which mirror is made is …….​

Answer 1

The point in the center of the sphere from which the mirror was sliced is known as the center of curvature and is denoted by the letter C in the diagram below. The point on the mirror's surface where the principal axis meets the mirror is known as the vertex and is denoted by the letter A in the diagram below.

Answer 2

i think it is concave mirror