Question

Hey can anyone help me with this please.

What are the basic difference between concave and convex lens?

Answer 1

Concave is an adjective that describes a surface that curves inward, or isthinner in the middle than on the edges. In ordinary usage, concave and convex are typically used when referring to glass surfaces, like the lenses of optical viewing equipment. The side mirror of a car has a concavesurface.

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