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what is lens

AJITH , 10 Years ago
Grade 11
anser 3 Answers
santhosh
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).
ApprovedApproved
Last Activity: 10 Years ago
pavan kalyan
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
Last Activity: 10 Years ago
Prabhakar ch
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).
ak
Last Activity: 10 Years ago
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