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A monochromatic light source of wavelength x is placed at S. Three slits S1, S2and S3 are equidistant from the source S and the point P on the screen.S1P - S2P = x/6 and S1P - S3P = 2x/3. If I be the intensity at P when only one slit is open. What is the intensity at P when all the three slits are open?

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Aditi Chauhan , 11 Years ago
Grade 10
anser 1 Answers
Kunal Seernani

Last Activity: 6 Years ago

In my opinion answer should be 1I as phase diff between s2 and s3 is pi. Hence only intensity will be by slit s1 which is I.

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