Q. 24.6( 5 Votes )

Write down the magnification formula for a lens in terms of object distance and image distance. How does this magnification formula for a lens differ from the corresponding formula for a mirror?

Answer :

Magnification (m) formula for a lens in terms of object distance (u) and image distance (v) is:


Magnification formula for a mirror in terms of object distance (u) and image distance (v) is:



Magnification formula for a mirror has a minus sign (-) but the magnification formula for a lens has no minus sign.


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