Physics, asked by sdreple, 7 months ago

Why curved mirror of small aperature is taken

Answers

Answered by lahari200739

1

Answer:

Spherical mirrors do not focus parallel light rays to a single focal point. The focus actually lies on a surface called a caustic. ... The point of using an aperture much smaller that the radius of the mirror is to restrict the incoming light to a region where rays do (almost) come to a single focal point.

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