Question

How will you identify the given lens is Convex lens and Concave lens ?

Answer 1

Convex lenses curve outward like the outside of a sphere, while concave (cave= collapse is how i think it) lenses are thicker on the sides and thinner in the middle and tend to curve inward

Step-by-step explanation:

Hope this helps <33

Answer 2

concave is curved in the middle and convex is thick on the side