The center of the reflecting surface of a spherical mirror is called _______.
Hence the right answer is: The center of the reflecting surface of a spherical mirror is called a pole.
A spherical mirror with the outer surface as the reflecting surface is called a _____________.
A spherical mirror, whose outer bulging surface is the reflecting surface is called concave mirror.
What is a spherical mirror, whose inner hollow surface is the reflecting surface, called?
The reflecting surface of a spherical mirror may be curved ____ or _____
The geometrical center of a spherical mirror is called its pole.