In a Double-Slit Experiment, the Distance Between the Slits Is

question 46

Multiple Choice

In a double-slit experiment, the distance between the slits is 0.2 mm, and the distance to the screen is 150 cm. What wavelength (in nm) is needed to have the intensity at a point 1 mm from the central maximum on the screen be 80% of the maximum intensity?

• A) 900
• B) 700
• C) 500
• D) 300
• E) 600

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