Question
Physics Question on Ray optics and optical instruments
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
all of the above
Explanation
Solution
The correct answer is option (D): all of the above