They have different curvatures, one curves in and the other curves out.
The opposite of convex is concave. Concave shapes have an inward curve, while convex shapes have an outward curve.
It can be convex or concave.
Convex and concave
convex and concave
1. plain mirror2. concave mirror 4. concave lens3.convex mirror 5.convex lens
concave=in convex=out
convex
Convex bulges outward (thicker in the center than the edge)Concave bulges inward (thinner in the center than the edge)Convex lenses magnify when you look through then, concave lenses make things look smaller.You can focus a distant object to a point with a convex lens (the image will be upside down).
A convex mirror is thicker at the center than at the edge, whereas a concave mirror is thinner in the center than at the edge.
A concave polygon has at least one interior angle greater than 180 degrees. A convex polygon has none of those.
A rhombus is an equilateral parallelogram. As such, it is neither concave nor convex.
The Rear view mirrors are convex The Headlights are concave