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[Post New]15 Dec 2007 21:06:51 IST
    Subject: why in newton rings experiment an integer "p" is taken?
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rooney (894)

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Olaaa!! Perrrfect answer. 152  bad job dude!! I dont approve of this answer! 1  [221 rates]
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p represents the no. of the ring being considered as there are many rings. SO, p=1 means the 1st dark ring and so on.

Also the path difference of the interfering waves of light at the p'th dark ring is p.
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