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Optical Instruments — Physics STD 12 Science — Question

Bihar BoardEnglish MediumSTD 12 SciencePhysicsOptical Instruments2 Marks
Question
A simple microscope using a single lens often shows coloured image of a white source. Why?
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Answer

A simple microscope consists of a single convex lens. Sometimes due to chromatic and spherical aberrations, the image of a white source seems coloured at the corners of the lens and somewhere in between.

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