A spherical miror and a thin spherical lens have each a focal length of -15 cm. The mirror and lens are likely to be: 1
A. both are concave
B. both are convex
C. the mirror is concave, but the lens is convex
D. the mirror is convex, but the lens is concave
Answer:A
A spherical miror and a thin spherical lens have each a focal length of -15 cm. The mirror and lens are likely to be: 1
A. both are concave B. both are convex C. the mirror is concave, but the lens is convex D. the mirror is convex, but the lens is concave