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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.S 1 P - S 2 P = x/6 and S 1 P - S 3 P = 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?


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?


Grade:10

1 Answers

Kunal Seernani
13 Points
3 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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