The reflecting surface of a spherical mirror may be curved ____ or _____
inward
outward
The reflecting surface of a spherical mirror may be curved inward or outward.
A spherical mirror with the outer surface as the reflecting surface is called a _____________.
A spherical mirror is a smooth and highly polished curved glass surface.
The center of the reflecting surface of a spherical mirror is called _______.
What is a spherical mirror, whose inner hollow surface is the reflecting surface, called?