Question

The focal length of a convexe lens is 500 m
If an object is kept at a distance of 75cm
from the lens, then find the image distance

and magnification produced by the lens!​

Answer 1

Answer:

1/v +1/u=1/f

1/v =1/f_1/u

1/v =1/500-1/75

=3/1500- 20/1500

v =-(1500/17)

v =-88.2m(Ans)