An Object Is Placed at a Distance of 40 Cm

Multiple Choice

An object is placed at a distance of 40 cm from a thin,convex lens along its axis.The lens has a focal length of 10 cm.What are the values,respectively,of the image distance and magnification?

A) 13.3 cm and −0.33
B) 13.3 cm and 0.33
C) 60 cm and 2.0
D) 60 cm and −0.50