Question

what is meant by magnification?write its expression what will be its sign for the ---- 1)real and 2)virtual image

Answer 1

Hey mate !
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▪Magnification:-
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☆Magnification produced by a spherical mirror or lens can be defined as the ratio of the height of the image to that of the object.

☆If we take h as the height of the object and h' as the height of the image, then the Magnification produced by the mirror or lens will be:-

Magnification, m = h'/h

☆The sign of the Magnification for real image is taken to be as (-)ve and it is taken as (+)ve for virtual images.

Hope it helps !

Answer 2

Answer

Explanation: plzzzzzzzzzzzzzz mark it Brainliest