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Why Newtons Rings are circular and centre of interference pattern is dark?
written 7.9 years ago by
vermavarsha432
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modified 4.2 years ago
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sanketshingote
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written 7.9 years ago by
vermavarsha432
• 1000
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The path difference between the reflected ray and incident ray depends upon the thickness of the air gap between lens and the base.
As the lens is symmetric along its axis, the thickness is constant along the circumference of a ring of a given radius.
Hence, Newton’s rings are circular. …
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