Write some advantages of reflecting telescope.
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Here are some of the advantages of a reflecting telescope:
♦ It eliminates chromatic aberration because light doesn't change its medium after reflection.
♦ It eliminates spherical aberration by the use of parabolic mirror.
♦ All the rays are parallel to the principal axis whether paraxial or not, meet at focus.
♦ It is easy to spot mirror instead of lens because mirror can be supported on the whole back side which is polished.
♦ Image formed is brighter and more clear.
Hope it helps....✌
Here are some of the advantages of a reflecting telescope:
♦ It eliminates chromatic aberration because light doesn't change its medium after reflection.
♦ It eliminates spherical aberration by the use of parabolic mirror.
♦ All the rays are parallel to the principal axis whether paraxial or not, meet at focus.
♦ It is easy to spot mirror instead of lens because mirror can be supported on the whole back side which is polished.
♦ Image formed is brighter and more clear.
Hope it helps....✌
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