Question

A lens of large focal length and large aperture is best suited as an objective of an astronomical telescope since:

• A. a large aperture contributes to the quality and visibility of the images.
• B. a large area of the objective ensures better light gathering power.
• C. a large aperture provides a better resolution.
• D. all of the above.

Answer 1

Answer: (D)

all of the above.

Answer 2

All of the above