Q: The most common curved mirrors are what?


Read this paragraph and choose the correct option from the provided answers:

Reflecting surfaces do not have to be flat. The most common curved mirrors are spherical. A spherical mirror is called a concave mirror if the center of the mirror is further from the viewer than the edges are. A spherical mirror is called a convex mirror if the center of the mirror is closer to the viewer than the edges are.

 Choices:

- solid

- concave

- convex

- spherical


A:
spherical