What are the advantages of a reflecting telescope over a refracting telescope?

Mirrors can be made bigger than lenses in size.

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No chromatic aberration.

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In case parabolic mirror is used, then no spherical aberration.

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Some light gets blocked inside the refracting telescope, but not reflecting telescope.

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Solution

The correct option is C In case parabolic mirror is used, then no spherical aberration.
Hey, if these don't ring a bell, just have quick look at the previous video.

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