Posted by Matrix School 2 on Tuesday, July 28, 2009 at 3:29pm.
I am not certain of what you mean radius and diameter. I think you can use
xm = [(m + ½)λR]½
but I dont know what you mean.
http://www.fas.harvard.edu/~scdiroff/lds/LightOptics/NewtonsRings/NewtonsRings.html
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