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Physics, 18.11.2020 16:50 taterbug3859
Red light of wavelength 633 nmnm from a helium-neon laser passes through a slit 0.400 wide. The diffraction pattern is observed on a screen 2.90 mm away. Define the width of a bright fringe as the distance between the minima on either side.
Required:
a. What is the width of the central bright fringe?
b. What is the width of the first bright fringe on either side of the central one?
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Red light of wavelength 633 nmnm from a helium-neon laser passes through a slit 0.400 wide. The dif...
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