In a Double Slit Experiment,the Intensity of Light at the Center

question 1

Multiple Choice

In a double slit experiment,the intensity of light at the center of the central bright fringe is measured to be 6.2 µW/m².What is the intensity halfway between the center of this fringe and the first dark band,assuming that the small-angle approximation is valid?

• A) 6.2 µW/m²
• B) 3.1 µW/m²
• C) 4.7 µW/m²
• D) 1.6 µW/m²
• E) 0.12 µW/m²

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