Question

1. does converging mirror always has positive focal length ?

2. Diverging mirror has negative focal length?

3. Is the case same for lens ?! Converting lens = positive focal length and diverging lens= negative focal length?

Answer 1

Hey Mate.!!☺

Here's your answer⬇

1)- Yes, Concave mirror (or converging mirror) has positive focal length.

2)- Yes, Convex mirror (or diverging mirror) has negative focal length.

3)- Yes. In case of lens,
Convex lens (or converging lens) = positive focal length.
Concave lens (or diverging lens) = negative focal length.

Hope it helps you and mark it as the brainliest answer.✌