NEET2021Physics-Optics
NEET 2021 Physics Telescopes MCQ Question
Type: MCQ-conceptual-Easy-Class 12
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.
Correct Answer
Option D
Detailed Explanation
A large focal length and aperture improve image quality, light gathering, and resolution, making it ideal for astronomical observations.
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