One way to increase the resolving power of a telescope is to
A) make its mirror bigger.
B) make its mirror smaller.
C) replace its mirror with a lens of the same diameter.
D) observe objects using longer wavelengths.

Question

Quizplus · Accepted Answer

Increasing the size of the mirror increases the telescope's aperture, which improves its ability to resolve finer details by collecting more light and reducing diffraction effects.

One Way to Increase the Resolving Power of a Telescope