A concave mirror produces a real image of size 3 times that of the object a distance of 30 cmfrom the pole of the mirror.find the position of the object
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m=-3
u=-30
m=-v/u
-v=-30×-3
-v= 90
it may be correct or incorrect
u=-30
m=-v/u
-v=-30×-3
-v= 90
it may be correct or incorrect
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