Determine the width of the slit

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Reference no: EM131003821

Light from a sodium lamp (λ=589nm) illuminates a narrow slit and is observed on a screen 66.5 cm behind the slit. The distance between the first and third dark fringes is 7.50 mm. What is the width of the slit?

Reference no: EM131003821

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Determine the width of the slit : Light from a sodium lamp (λ=589nm) illuminates a narrow slit and is observed on a screen 66.5 cm behind the slit. The distance between the first and third dark fringes is 7.50 mm. What is the width of the slit?

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