Q. 815.0( 1 Vote )

How to increase the magnification and sharpness of the image in optical instruments?

Answer :

Many optical instruments consist of a number of lenses. They are combined to increase the magnification and sharpness of the image. The net power (P) of the lenses placed in contact is given by the algebraic sum of the individual powers P1, P2, P3, ... as P = P1+P2+P3.

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