Spherical aberration in a thin lens can be reduced by

PHYSICS · Single correct · CBSE · Physics · Ray Optics and Optical Instruments · Ray Optics and Optical Instruments

Problem

Spherical aberration in a thin lens can be reduced by (1) using a monochromatic light (2) using a doublet combination (3) using a circular annular mark over the lens (4) increasing the size of the lens.

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