MCQ Light Reflection and Refraction 45. A spherical mirror and a spherical lens each have a focal length of -10 cm. The mirror and the lens are likely to be
A. both concave
B. both convex
C. the mirror is concave and the lens is convex
D. the mirror is convex and the lens is concave
Answer:A
MCQ Light Reflection and Refraction 45. A spherical mirror and a spherical lens each have a focal length of -10 cm. The mirror and the lens are likely to be
A. both concave B. both convex C. the mirror is concave and the lens is convex D. the mirror is convex and the lens is concave