1.

Explain the lenses lesson​

Answer»

lens is a transparent curved device that is used to refract light. A lens is USUALLY made from glass. There are  two types of lens i.e. CONVEX and CONCAVE lens .convex lens is thicker in the middle and thinner at the edges.A convex lens is also called a CONVERGING lens.the concave lens is thinner in middle and thicker at edges.Convex lens is also KNOWN as diverging lens.



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