Question

Both a spherical mirror and a thin spherical lens have a focal length of (-)15 cm. What type
of mirror and lens are these?
1​

Answer 1

Answer:

Explanation:

By convention, the focal length of a concave mirror and a concave lens are taken as negative. Hence, both the spherical mirror and the thin spherical lens are concave in nature.

Answer 2

Explanation:

Hence, both the spherical mirror and the thin spherical lens are concave in nature. ur answer hope you have a good day