Question

1) converging lens is concave or convex lens ?

2) diverging lens is convex or concave lens ?

3)converging mirror is concave or convex mirror?

4)diverging lens is concave or convex mirror?

Answer 1

1) convex
2) concave
3) concave
4) convex

Hope it helps you

Answer 2

converging lens is $\color{blue}{CONVEX}$

diverging lens is $\color{red}{CONCAVE}$

converging mirror is$\{green}{CONCAVE}$

diverging mirror is [tex]\color{orange}{CONVEX}[/]

hope it helps.