Question

Say a name of material which has one surface?​

Answer 1

❥The piece of transparent material which has one or two spherical surfaces is the lens. Lens:-is transmissive optical device that focuses on scatter a beam of light through the process of refraction...

❥Hope it will help you...

Answer 2

Lence

Explation:

Lens is a transparent material bound by two surfaces, of which one or both surfaces are spherical.

It may have two spherical surfaces, bulging outwards called convex lens and can have two spherical surfaces, curved inwards called concave lens. It may also have a plane and a spherical surface as in plano-convex lens

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