The manual menu in the restrant was awkwardly concave.
the image formed by convex lens will converge at a point, while with a concave lens it will appear to diverge from a point.
Concave
There are some meaning on the term " concave up". However, in most cases, a concave is a hallow curve. A half circle with an opening is also a concave. Concave up means to concave somethings.
The mold for a concave object is convex.The mold for a convex object is concave.
concave
concave lens :P
His glasses have a concave lens.
The melon was so rotten that it became concave when it was pressed on.
A Concave lens is used to correct short- sightedness.
shield
A concave lens is thinner at the centre. People who are short sighted often use a concave lens to help them see better.
By using concave lensw
-A car's headlight, reflector lamps. -Concave mirrors can be used as makeup or shaving mirrors because an enlarged image can be obtained using a concave image. -Concave mirrors can also be mirrors used for dentists to see an enlarged image of a tooth.
I use my concave dish for the purpose of panning for gold dust on nugget
concave
He held his spoon upside down so that its concave side for holding his soup was rendered useless.
The opposite of convex is concave. Concave shapes have an inward curve, while convex shapes have an outward curve.