A helium neon laser wavelength 6328 nm is directed at a
A Helium Neon laser (wavelength: 632.8 nm) is directed at a double slit plate. On a screen 1.37 meters away, there is a diffraction pattern where consecutive maxima are separated by 17 cm. What is the slit difference in micrometers?
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a helium neon laser wavelength 6328 nm is directed at a double slit plate on a screen 137 meters away there is a
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