In Young's Two-Slit Experiment, the Distance Between the Slits and the Screen

question 19

Multiple Choice

In Young's two-slit experiment, the distance between the slits and the screen is 1.10 m and the distance between the slits is 0.0400 mm. If the second order bright fringe is measured to be 4.20 cm from the centerline, what is the wavelength of light?

• A) 200 nm
• B) 381 nm
• C) 401 nm
• D) 620 nm
• E) 763 nm

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