1.

What is the physical diameter of the first optical element in the telescope?(a) Optical aperture(b) Field of view(c) Effective focal length(d) Light detector

Answer» Correct choice is (a) Optical aperture

To explain I would say: Each design of a telescope is characterized by an optical aperture, an effective focal length, and a field of view. The optical aperture is the physical diameter of the first element in the telescope.


Discussion

No Comment Found

Related InterviewSolutions