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  4. In a double slit experiment, the slit separation is 0.20 cm and the slit to screen distance is 100 cm. The positions of the first three minima, if wavelength of the source is 500 nm is.

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Q. In a double slit experiment, the slit separation is 0.20 cm and the slit to screen distance is 100 cm. The positions of the first three minima, if wavelength of the source is 500 nm is.

Wave Optics

Solution:

$y = \frac{n \lambda D}{d} ; n = 1,2,3,4$