Question

The Rayleigh criterion states that if the bright spot of one star's image falls on _______of another star's image, the two images are at the limit of resolution.(A) any dark ring(B) the bright spot(C) the first dark ring(D) the shadow

Answer 1

We will have the following:

The Rayleigh criterion states that if the bright spot of one start's image falls on the first dark ring of another's image, the two images are at the limit of resolution.