Derive the conditions for additional minima in case of 4 slits. Sketch the resulted intensity distribution...

 

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Derive the conditions for additional minima in case of 4 slits. Sketch the resulted intensity distribution on a figure. ad L Distances a between the principal maxima for different slit numbers N N=4, a, mm the order 1 3.6 2 7.5 3 11.3 <a> 7.46 <k >= 0.00125mm L= 150cm 1500mm- distance from the double slit to the screen. Derive the conditions for additional minima in case of 4 slits. Sketch the resulted intensity distribution on a figure. ad L Distances a between the principal maxima for different slit numbers N N=4, a, mm the order 1 3.6 2 7.5 3 11.3 <a> 7.46 <k >= 0.00125mm L= 150cm 1500mm- distance from the double slit to the screen.