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  • 2 weeks later...
what are newton rings????????????????????

plz xplain

They are interference bands that are seen when a large plano-convex lense

(That is one side flat, the other spherical with a large radius) is placed on a

flat glass plate, and a light of definite wave length is shone directly onto it. Destructive interference at every thickness of air space equal to

(n+1/2)lambda produces dark rings. This is described in many physics texts, which still are available off line.

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