Question

The center of curvature of a …………. Mirror is in front of it.
A. Convex
B. Concave
C. convex or concave
D. plano-convex mirror

Answer 1

Hint: When we talk about a mirror, then it has two sides one side is polished and another side is the reflector side. The reflector side is in front of a mirror and the polished side is behind the mirror.

Complete step by step solution:

The center of curvature of a spherical mirror is the center of the hollow sphere of glass, of which the spherical mirror is a part. The spherical mirror that is polished from outside so that the reflecting surface is inside it is called a concave mirror. Hence the center of curvature also his towards the reflecting surface i.e. in front of the concave mirror. The spherical mirror that is polished from inside so that the reflecting surface is outside is called a convex mirror. Hence the center of curvature is on the opposite side of the reflecting surface i.e. behind the convex mirror. Centre of curvature means center of curvature.

Hence, option (B) is correct.

Note: Centre of curvature is the point in the centre of the sphere from which the mirror was sliced. The centre of curvature was outside the mirror’s reflecting surface.