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P6 - PROBLEM 6 An interferenceâ€”diffraction pattern is...

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Unformatted text preview: PROBLEM 6 An interferenceâ€”diffraction pattern is formed when light of wavelength 7Â» illuminates two slits a distance d apart each of width d/3. Assume that D, the distance from the slits to the screen, is much larger than any other dimension of the experiment, and give your answers using K, d, and D. I (a) What is w,-, the width of the interference fringes on the screen? diffraction envelo e (b) What is w, the width of the central (first) diffraction maximum? What is Hz, the number of the bright interference fringes within the second diffraction maximum? Explain. D (ch lukulvucuu vuchtMat atâ€œ: Wt 2: in: 0H ,1;- -. . . . 5; x â€˜ L M t g [or Â«+04 wikla Aswanâ€œ: w). and swaâ€˜m ~ dramaâ€œ â€˜6 3â€œ: _ 1 WC -â€”7 A â€˜D â€”M/\ as awe-S - â€˜ 'XD )9 D NL= atwâ€” a; â€˜e kwâ€œ): 'W " 25 \I câ€˜ _.â€”â€”-â€”- (b3 'D'tHJleou. Miuâ€˜kwv 2 t3â€œ = w . A [or AMA wâ€˜dtk msâ€˜wag â€”,- w} â€œA 5m 9w, glam?â€œ â€” cl 7W - w , GAD M14 Maximumâ€œ WÂ¢= 9-5. = 2 T .. 2 TB , -â€”â€™-A .. 3WD Second Moviw-u... w: : INA/2 - T 1 o in Viz: %â€˜-\ (SaaAiu a) ...
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