Surveying - Engineering
Q1: The defect of a lens whereby rays of white light proceeding from a point get dispersed into their components and conveyed to various foci, forming a blurred and coloured image is known asA
chromatic aberration
B
spherical aberration
C
astigmatism
D
coma.
ANS:A - chromatic aberration Chromatic aberration: The defect of a lens whereby rays of white light proceeding from a point get dispersed into their components and conveyed to various foci, forming a blurred and coloured image is known as Chromatic aberration. |
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