A lens of large focal length and large aperture is best suited as an objective of an astronomical telescope since:
A lens of large focal length and large aperture is best suited as an objective of an astronomical telescope since:
Option 1 -
A large aperture contributes to the quality and visibility of the images
Option 2 -
A large area of the objective ensures better light gathering power.
Option 3 -
A large aperture provides a better resolution.
Option 4 -
All of the above.
Asked by Shiksha User
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1 Answer
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Correct Option - 4
Detailed Solution:R.P.
large aperture (a) of the objective lens provides better resolution good quality of image is formed and also it gathers more light.
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