Find the magnification of the lens if the focal length of the lens is 10 cm and the size of the image is -30 cm.
A. 2
B. 3
C. 4
D. 5
Answer:A
Find the magnification of the lens if the focal length of the lens is 10 cm and the size of the image is -30 cm.
A. 2 B. 3 C. 4 D. 5