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what is lens

what is lens

Grade:11

3 Answers

santhosh
67 Points
6 years ago
a piece of glass or other transparent material with curved sides for concentrating or dispersing light rays, used singly (as in a magnifying glass) or with other lenses (as in a telescope).
pavan kalyan
38 Points
6 years ago
Newton's Rings are rings caused by the thin film effect. You can use them to check the thickness of a surface, and to check whether a surface is uniform or not
Prabhakar ch
577 Points
6 years ago
a piece of glass or other transparent material with curved sides for concentrating or dispersing light rays, used singly (as in a magnifying glass) or with other lenses (as in a telescope).
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