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Larger aperture of objective lens in an astronomical telescope
Option: 1 increases the resolving power of telescope.
Option: 2 decreases the brightness of the image.
Option: 3 increases the size of the image.
Option: 4 decreases the length of the telescope.

Answers (1)

A telescope has a much larger aperture and therefore has a greater resolving power.

 

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Safeer PP

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