difference between concave and convex lens #shorts

State two differences between a convex and a concave lens.

Concave lens and convex lens

What is the basic difference between a concave mirror and a convex mirror?

Concave lens and Convex lens

State two differences between a convex lens and a concave lens. Give one use of convex lens and one of concave lens.

What is the difference between focal length of convex and concave length?