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In a double slit exp, d path diffrence bbetween d rays from two cohherent sources at a point P on one side of the central bright band is 7.5x10^-6m and at a point Q on the other side of the central bright band is 1.8x10^-6m.How many bright and dark bands are observed between the points P and Q if the wavelength of light used is 6x10^-7m ?


In a double slit exp, d path diffrence bbetween d rays from two cohherent sources at a point P on one side of the central bright band is 7.5x10^-6m and at a point Q on the other side of the central bright band is 1.8x10^-6m.How many bright and dark bands are observed between the points P and Q if the wavelength of light used is 6x10^-7m ?


Grade:upto college level

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