In a double slit experiment, instead of taking slits of equal widths, one slit is made twice as wide as the other then in the interference pattern.A. the intensity of both the maxima and minima increasesB. the intensity of the maxima increases and the minima has zero intensityC. the intensity of the maxima decreases and that of minima increasesD. the intensity of the maxima decreases and the minima has zero

In a double slit experiment, instead of taking slits of equal widths,

1.	In a double slit experiment, instead of taking slits of equal widths, one slit is made twice as wide as the other then in the interference pattern.A. the intensity of both the maxima and minima increasesB. the intensity of the maxima increases and the minima has zero intensityC. the intensity of the maxima decreases and that of minima increasesD. the intensity of the maxima decreases and the minima has zero
Answer» Correct Answer - A

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Angular width of central maxima in the Fraunhofer diffraction pattern of a slit is measured. The slit is illuminated by light of wavelength `6000Å`. When the slit is illuminated by light of another wavelength, the angular width decreases by 30%. The wavelength of this light will beA. `3500 Å`B. `4200 Å`C. `4700 Å`D. `6000 Å`
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