The equi-convex lens has a focal length f. The focal length of each half is the lens cut along.
A. f/2
B. f
C. \(\frac{3 \mathrm{f}}{2}\)
D. 2f
Answer:D
The equi-convex lens has a focal length f. The focal length of each half is the lens cut along.
A. f/2 B. f C. \(\frac{3 \mathrm{f}}{2}\) D. 2f