Easy
Describe a spherical mirror.
(N/A) spherical mirror is a mirror whose reflecting surface is a part of a hollow sphere of glass.
There are two main types of spherical mirrors:
$1$. Concave mirror: $A$ spherical mirror whose reflecting surface is curved inwards,i.e.,faces towards the center of the sphere.
$2$. Convex mirror: $A$ spherical mirror whose reflecting surface is curved outwards,i.e.,faces away from the center of the sphere.
There are two main types of spherical mirrors:
$1$. Concave mirror: $A$ spherical mirror whose reflecting surface is curved inwards,i.e.,faces towards the center of the sphere.
$2$. Convex mirror: $A$ spherical mirror whose reflecting surface is curved outwards,i.e.,faces away from the center of the sphere.
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