Th diameter of objective of a telescope is doubled. What is its effect on intensity of image seen ?

The diameter of onjective of a telescope is doubled. What is its effect on intensity of image seen ?

If the diameter of the objective of a telescope is doubled, how will its resolving power change?

The image formed by an objective of a telescope is-

The image formed by an objective of a telescope is-

The image formed by an objective of a telescope is-

When diameter of objective of an astronomical telescope is doubled, its limit of resolution is

The diameter of objective of a telescope is 1m . Its resolving limit for the light of wave length 4538 Å , will be

The diameter of objective of a telescope is 1 m. Its resolving limit for the light of wavelength 4538 overset(circ)(A) , will be

Diameter of the objective of a telescope is 200 cm. What is the resolving power of a telescope ? Take wavelength of light =5000 Å .