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  4. An astronomical telescope has a large aperture to

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Q. An astronomical telescope has a large aperture to

NTA AbhyasNTA Abhyas 2022

Solution:

The aperture of an astronomical telescope is defined as the diameter of the objective lens.
In telescopes since, the stars are very far away from away us and emit light internsities, we need a large aperture to increase the amount of light entering the telescope thereby increasing the resolution
Large aperture leads to high resolution of telescope.