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In Young's double slit experment red lig...

In Young's double slit experment red light of wavelenght 6000 Å is used and at point P on the screen n th bright bands is obtained. Keeping the set -up of the experiment same now green light of wavelength 5000 Å is used and at point P on the screen (n+1) th bright band is obtained . Find the magnitude of n.

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