Question

An object with a height of 18cm is placed in front of a converging lens.the image height is -9.0. What is the magnification of the lease.

Answer 1

Here is your answer

-1/2

REASON :

Magnification of lens= h(i)/h(o)
Here
h(i)= -9
h(o)= 18
So,
m= -9/18= -1/2

HOPE IT IS USEFUL