what is concave mirror??
Answers
Answer:
A concave mirror, or converging mirror, has a reflecting surface that is recessed inward (away from the incident light). Concave mirrors reflect light inward to one focal point. They are used to focus light.
Explanation:
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Question:-
what is concave mirror??
Answer:-
A curved mirror is a mirror with a curved reflecting surface. The surface may be either convex or concave. Most curved mirrors have surfaces that are shaped like part of a sphere, but other shapes are sometimes used in optical devices.
Suppose an object is placed u cm in front of a spherical mirror of focal length f such that the image is formed v cm from the mirror, then u, v and f are related by the equation; 1/f= 1/u + 1/v. This equation is referred to as the mirror formula. The formula holds for both concave and convex mirrors.
Common Types of Mirrors
Plane Mirror — These are flat mirrors that reflect images in their normal proportions, reversed from left to right. ...
Concave Mirror — Concave mirrors are spherical mirrors that curve inward like a spoon. ...
Convex Mirror — Convex mirrors are also spherical mirrors.
Image formation in spherical mirrors is defined by certain "characteristic" rays whose behaviour is governed by the law of reflection. Rays parallel to the principal axis are reflected through the focal point - concave (or as if they came from the focal point - convex ).