Focal length of a convex lens is 10 cm. It produces an erect and enlarged image, if the distance of the object from the lens is
A40 cm
B30 cm
C5 cm
D20 cm
Focal length of a convex lens is 10 cm. It produces an erect and enlarged image, if the distance of the object from the lens is
A40 cm
B30 cm
C5 cm
D20 cm