Question

an object is placed on a distance of 60cm from a convene mirror where magnification is 1/2 where the object is placed to get magnification of 1/3.

Answer 1

I am giving u approach work on it friend

1) find out IMG dis with given magnification
2)then find focal length
3)from new magnification convert V in the form ofU then equate it with our focal length
4)and the ans will be required object dis

V= IMG dist
U= object dist

hope it help