The focal length of a convex lens is 15 cm. (RBSESolutions.com) What should be the object distance to get a real image equal to the size of object?
A. 30 cm
B. 15 cm
C. 60 cm
D. None of these
Answer:A
The focal length of a convex lens is 15 cm. (RBSESolutions.com) What should be the object distance to get a real image equal to the size of object?
A. 30 cm B. 15 cm C. 60 cm D. None of these