In a Young's double slit experiment, each of the two slits and are oscillating about their fixed center and with a mean separation of 0.8 mm. The distance between the slits at time is given by mm,

Question

In a Young's double slit experiment, each of the two slits  and  are oscillating about their fixed center and with a mean separation of 0.8 mm. The distance between the slits at time  is given by  mm, where  rad s. The distance of the screen from the slits is 1 m and the wavelength of the light used to illuminate the slits is 6000 Å. The interference pattern on the screen changes with time, while the central bright fringe (zeroth fringe) remains fixed at point . The  bright fringe above the point  oscillates with time between two extreme positions. The separation between these two extreme positions, in micrometer (μm), is

Canvas Classes · Accepted Answer

🎯
-  mm,  m,  Å  m.
- The  bright fringe position varies as  varies. Find the separation between its extreme positions (μm).

💡 The  bright fringe is at ; since  swings between  and ,  swings between two extremes, and the gap is .

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 mm,  mm.
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Separation .
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