What is a concave mirror ?
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What is a concave mirror ?
A concave mirror produces a smaller, bigger and inverted image based on its distance from the object. When the distance between object and mirror is large, a small inverted virtual image is formed.
•ᎠᎬҒᏆΝᎪͲᏆϴΝ:-
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.
•ᏟϴᎷᎷϴΝ ͲᎽᏢᎬՏ ϴҒ ᎷᏆᎡᎡϴᎡ:-
•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.
ᎻϴᏔ ᎪᎡᎬ ᏟϴΝᏟᎪᏙᎬ ᎷᏆᎡᎡϴᎡ ҒϴᎡᎷᎬᎠ:-
When the concave mirror is placed very close to the object, a virtual and magnified image is obtained and if we increase the distance between the object and the mirror, the size of the image reduces and real images are formed. ... The focal point and the centre of curvature of the concave mirror lie in front of the mirror.
•ᏢᎡϴᏢᎬᎡͲᏆᎬՏ:-
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 ).