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what is lens

AJITH , 9 Years ago
Grade 11
anser 3 Answers
santhosh

Last Activity: 9 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

Last Activity: 9 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

Last Activity: 8 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).
ak

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