Test Academy | A lens of large focal length and large aperture is best suited as an objective of an astronomical telescope since : A large aperture contributes to the quality and visibility of the images., A large area of the objective ensures better light gathering power., A large aperture provides a better resolution, All of the above.

Question

A lens of large focal length and large aperture is best suited as an objective of an astronomical telescope since :

Options :

A large aperture contributes to the quality and visibility of the images.
A large area of the objective ensures better light gathering power.
A large aperture provides a better resolution
All of the above.

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