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In young double slit experiment the nth red bright band coincides with (n+1)th blue bright band. If the wavelength of red and blue lights are 7500A and 5000A , the value of ‘n is
Dear Umar Path difference for (n+1)th blue band = (n+1)bpath difference for nth red bright band = nr(n+1)b= nr(n+1) 5000= n*75002n +2 = 3nn = 2 RegardsArun (askIITians forum expert)
Path difference for (n+1)th blue band = (n+1)b
path difference for nth red bright band = nr
(n+1)b= nr
(n+1) 5000= n*7500
2n +2 = 3n
n = 2
Regards
Arun (askIITians forum expert)
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