Question

T. (10 pts) A Youngs two-sl light. The separation between the slits is 0.25 mm, and the interference pattern on a 3.3 m away shows the first maximum 7.3 mm from the center of the pattern. lit interference experiment is performed with blue-green laser screen 6) What is the wavelength of the laser light? (ii) If one uses the same laser to illuminate a soap bubble (n 1.33), what is the minimum thickness of the bubble to produce constructive interference in the reflected light?

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Summary of Answer-Part (1) of the problem is simply based upon Young's double slit experiment.So we can calculate the wavelength easily by using the formula DA/d.

Part(ii) In this part we will calculate the path difference between the upper and lower face of soap bubble and to find constructive interference this path difference will be equal to wavelength of lightlambda

Given that Ditane 2 maxima cl 드 5.5303x loom A 5530su When a soy igt is af lectedl by a donser 干or Constructive htenfe ence-Ca-2 4m4X1 33 3)18A

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T. (10 pts) A Young's two-sl light. The separation between the slits is 0.25 mm, and...
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