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Geometrical Optics — Physics STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 SciencePhysicsGeometrical Optics1 Mark
Question
A laser light is focused by a converging lens. Will there be a significant chromatic aberration?
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Answer

No, since it is monochromatic or of single wave length so $\mu$ is single so single wave length.

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