The melon was so rotten that it became concave when it was pressed on.
He held his spoon upside down so that its concave side for holding his soup was rendered useless.
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A concave lens is thinner at the centre. People who are short sighted often use a concave lens to help them see better.
His glasses have a concave lens.
The manual menu in the restrant was awkwardly concave.
A Concave lens is used to correct short- sightedness.
I use my concave dish for the purpose of panning for gold dust on nugget
shield
why do we use concave mirror as converging mirror
He held his spoon upside down so that its concave side for holding his soup was rendered useless.
Concave
Omg some people ask really weird questions how can u be so weird lmao ; )
concave lens :P
Concave lenses are used todiverge rays of light.