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 oflight used is 6x10^-7m ?

Amit Saxena , 11 Years ago

Grade upto college level