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An astronomical telescope has a large aperture to (a) reduce spherical aberration.

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asked Mar 26, 2018 in Physics by paayal (26,720 points) ● 4 ● 6 ● 11

An astronomical telescope has a large aperture to
(a) reduce spherical aberration
(b) have high resolution
(c) increase span of observation
(d) have low dispersion.

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answered Mar 26, 2018 by sanjaydas (61,430 points) ● 5 ● 7 ● 7
selected Mar 26, 2018 by Vikash Kumar
 
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(b) : Large aperture leads to high resolution of telescope.
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