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 concave mirror and a concave lens are taken as negative. Hence, both the spherical mirror and the thin spherical lens are concave in nature.

Explanation:

Hope this will help you.

Priyanka Dalvi here.

Answer 2

Answer:

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