Question
Sat February 16, 2013 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
Mon February 18, 2013

u = -12 cm , m = -4

m = -v / u

-4 = -v / -12

v = -4*12

v = -48cm

therefore image distance = 48 cm infront of mirror

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