An interference pattern is formed on a screen when helium-neon laser light (wavelength of 6.24e-7 m) is directed through 2 slits. The slits are 43 um apart and the screen is 2.5 m away. a) Calculate the width of the 2nd bright fringe. b) Calculate the separation between the 2nd dark fringe and central bright fringe (central antinode line).
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