a concave mirror produces a real image of size 3 times that of the object at a distance of 30 cm from the pole of the mirror find the ditance of the object
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m=-3
v=-30
m=-v/u
-3=-(-30)/u
u=-10cm
so the distance of the object from the mirror is 10cm in front of mirror.
v=-30
m=-v/u
-3=-(-30)/u
u=-10cm
so the distance of the object from the mirror is 10cm in front of mirror.
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