Physics, asked by abhishekjangir5570, 1 year ago

How are convex lenses and concave mirrors used in telescopes?

ck233: hi sandy

Answers

Answered by sandyandmandy

in a reflection letescope, instead of a convex objective lens, a concave mirror is used to collect parallel rays from the object and form an image at the facal point. then the convex eyepiece lens is used to magnify this image for the viewer. mirrors are used instead of lenses in large professional telescope

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