Question

Both a spherical mirror and a thin spherical lens have a focal length of -15cm. What type of mirror and lens are these? ​

Answer 1

Answer:

By convention, the focal length of a Convex mirror or a convex lens are taken as positive . Hence, both the spherical mirror and the thin spherical lens are convex in nature.

Explanation:

By convention, the focal length of a Convex mirror or a convex lens are taken as positive . Hence, both the spherical mirror and the thin spherical lens are convex in nature.

Answer 2

Answer:

sorry I don't know the answer