an object is placed at a distance of 12 CM in front of a concave mirror forms a real image four times larger than the object calculate the distance of the image from the mirror
an object is placed at a distance of 12 CM in front of a concave mirror forms a real image four times larger than the object calculate the distance of the image from the mirror
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Object distance u =-12cm
Magnification of the image= +4
We know that,
Magnification=v/u
+4=v/-12
v=-12×4
v=-48cm
Therefore the image distance v = -48cm
subs the values and get answer