Question
Physics Question on Refraction of Light
An astronomical refracting telescope will have large angular magnification and high angular resolution, when it has an objective lens of
A
small focal length and large diameter
B
large focal length and large diameter
C
large focal length and small diameter
D
small focal length and small diameter
Answer
large focal length and small diameter
Explanation
Solution
The correct option is (C): large focal length and small diameter