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Grade 12th passWave Optics

If two slits 1 2 are seprated by 3 m and initial phase diff is 0 .when a minima is obtain in front of slit 2 such that line joining thr two slit is perpendicular to that minima find frequency of slit if velocity is 330m/s

Profile image of sonakshi goyal
9 Years agoGrade 12th pass
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1 Answer

Profile image of Vikas TU
9 Years ago
As we know that
Phase difference = Wavelength/d
Pi/2 = wavelength /3
Wavelength = 3pi/2
Hence, Frequency = velocity * wavelength
                                =  330 x 3pi/2
                                 = 165 *3 pi
                                 = 495 pi

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