Question

. Define centre of curvature, focal length, magnification of mirror.​

Answer 1

Answer:

(a) Centre of curvature: Centre of curvature of a spherical mirror is the centre of the hollow sphere of a glass of which the mirror is a part.

(b)the distance of a focus from the surface of a lens or curved mirror.

(c)The magnification, m, is defined as the ratio of the image height to the object height, which is closely related to the ratio of the image distance to the object distance: A magnification of 1 (plus or minus) means that the image is the same size as the object.

Answer 2

Answer:

Central curvature=radius of curvature,focal length =the distance between pole and

focus of the mirror or lens is called focal length ,magnification of mirror =the size of image

equal to the size of object

Explanation:

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