The rays of different colours fail to converge at a point after going through a converging lens. This defect is called
The rays of different colours fail to converge at a point after going through a converging lens. This defect is called
(a) spherical aberration
(b) distortion
(c) coma
(d) chromatic aberration
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2 Answers
(d) chromatic aberration.
EXPLANATION:
Since the refractive index of a medium is different for different colors. Hence the rays of different colors fail to converge at a point. Since this aberration is related to colored rays it is called a chromatic aberration because chrome is a Greek word for color.
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The correct option is (d).
Explanation:
Since refractive index for different wave length of light is different. Hence the different colours of light forms images at different position. This phenomenon is called chromatic aberration.
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