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Question
Which one of the following mirrors is free from spherical aberration?
Which one of the following mirrors is free from spherical aberration?
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Solution
The correct option is C parabolic
Geometrical optics predicts that rays parallel to the principal axis are reflected by a parabolic mirror in a manner such that they unite perfectly on the parabolic axis to give an image free of spherical aberration.
Hence, option C is correct.
Geometrical optics predicts that rays parallel to the principal axis are reflected by a parabolic mirror in a manner such that they unite perfectly on the parabolic axis to give an image free of spherical aberration.
Hence, option C is correct.
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