Physics, asked by manishmedipelli4920, 1 year ago

Why does the objective of an optical telescope have large focal length and largeaperture? Also explain why does a reflector give better image of a small portion of thecelestial body?

Answers

Answered by zain467
3
distance between the pole of the mirror and the point of focus of reflected parallel rays of light which are incident on the mirror focal length. it is denoted by f.
Similar questions