Define Focus of concave and convex mirror.
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Focus of concave mirror:
The focus of concave mirror is a point on principal axis to which all the lights rays which are parallel and close to the axis converge after reflection from the concave mirror.
Ficus of convex mirror:
the principal focus of convex mirror is a point on principal axis from which a beam of light rays initially parallel to the axis, appears to diverge after reflected from the convex mirror.
The focus of concave mirror is a point on principal axis to which all the lights rays which are parallel and close to the axis converge after reflection from the concave mirror.
Ficus of convex mirror:
the principal focus of convex mirror is a point on principal axis from which a beam of light rays initially parallel to the axis, appears to diverge after reflected from the convex mirror.
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Answer:
Convex mirror
The light rays that converge on the principal axis after reflecting from a convex mirror and are parallel to the principal axis are called principal focus of a convex mirror. They either actually in real meets or appears virtually to meet.
Concave mirror
Light rays that are parallel to the principal axis of a concave mirror converge at a specific point on its principal axis after reflecting from the mirror. This point is known as the principal focus of the concave mirror
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