Question

Spherical abbretion and spherical mirrors define

Answer 1

Answer:

Spherical aberration:

The shape of a spherical lens causes a problem called spherical aberration. In spherical aberration, parallel light rays that pass through the central region of the lens focus farther away than light rays that pass through the edges of the lens. The result is many focal points, which produce a blurry image.

Spherical mirrors:

A spherical mirror is a mirror which has the shape of a piece cut out of a spherical surface. There are two types of spherical mirrors: concave, and convex.

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Answer 2

Answer:

The shape of a spherical telescope mirror causes a problem called spherical aberration. In spherical aberration, parallel light rays that bounce off the central region of a spherical mirror focus farther away than light rays that bounce off the edges. The result is many focal points, which produce a blurry image.

such mirrors whose reflecting surfaces are sphericle are called sirf sphericle mirrors.

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