. A spherical mirror and a thin spherical lens each have a focal length of
-15 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 but the lens is concave
Best Answer
Ans. A spherical mirror and a thin spherical lens each having a focal length of -15 cm are both concave
Related questions
