Double-Slit Interference: in a Double Slit Experiment, the Slit Separation

question 14

Multiple Choice

Double-slit interference: In a double slit experiment, the slit separation is constructed to be exactly 4 times the wavelength of the light passing through the slits. At what angles from the center of the pattern will the third bright fringes on both sides of the central fringe occur?

• A) ±48.6°
• B) ±75.0°
• C) ±67.5°
• D) ±36.9°
• E) ±43.0°

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