Question
Tue November 22, 2011 By:

An object is placed at a distance of 12cm in front of a concave mirror.It forms a real image 4 times larger than the object. Calculate the distance of the image from the mirror.

Expert Reply
Tue November 22, 2011
m=-4=-v/u     -4 as real image
u=-12 cm
v=-48 cm.
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