(10) Light from a sodium lamp of wavelength 891.0 nm illuminates two narrow slits. The fringe spacing on a screen 136.9
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(10) Light from a sodium lamp of wavelength 891.0 nm illuminates two narrow slits. The fringe spacing on a screen 136.9
(10) Light from a sodium lamp of wavelength 891.0 nm illuminates two narrow slits. The fringe spacing on a screen 136.9 cm behind the sits is 4.94 mm. What is the spacing between the two slits? Submit Answer Tries 0/10
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