CBSE Class 10 Answered
Define astigmatism?
Asked by | 18 Feb, 2011, 08:39: AM
Expert Answer
Dear student
It is a type of defect in a lens. Due to it the lines in some direction are focussed less sharply than lines in other dimnesions.
Hope this helps.
Regards
Team
Topperlearning
Answered by | 18 Feb, 2011, 10:21: AM
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