Question

Please don't answer if you are not sure.... let go towards the genius'...
Both a spherical mirror and a thin spherical lens have a focal length of (-)15
cm. What type of mirror and lens are these?
Please also provide correct explanation in order to justify your answer....
​

Answer 1

Here is Your answer

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.

Please Mark branilest Answer ❤