The diffraction limit of a 4-meter telescope is _________ than that of a 2-meter telescope.
A) two times larger
B) four times larger
C) four times smaller
D) two times smaller
E) It depends on the type of telescope.

Question

Quizplus · Accepted Answer

The diffraction limit of a telescope is inversely proportional to its diameter. This means that as the diameter of a telescope increases, its diffraction limit decreases. Therefore, the diffraction limit of a 4-meter telescope is two times smaller (or half) than that of a 2-meter telescope.

The Diffraction Limit of a 4-Meter Telescope Is _________ Than