NEET2018Physics-Optics
NEET 2018 Physics Telescopes MCQ Question
Type: MCQ-conceptual-Medium-Class 12
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 small diameter
C
large focal length and large diameter
D
small focal length and small diameter
Correct Answer
Option A
Detailed Explanation
A large focal length provides high magnification, and a large diameter increases resolution by gathering more light.
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