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How to find the position of object through magnification

Posted by Satyam Sharan Gupta 5 years, 6 months ago

CBSE > Class 10 > Science

1 answers

Yogita Ingle 5 years, 6 months ago

Magnification (v/u) = -1 , where v is lens-to-image distance and u is lens-to object distance.
hence we get v = -u
if we substitute v = - u in lens equation (1/v)-(1/u) = (1/f), we get -(1/u) - (1/u) = 1/f or u = -2f
hence if object is placed at a distance 2f, we get magnification of image -1.

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Posted by Pandey Ji 5 months, 3 weeks ago

CBSE > Class 10 > Science