Light of Wavelength 500 Nm Illuminates Parallel Slits and Produces

question 154

Multiple Choice

Light of wavelength 500 nm illuminates parallel slits and produces an interference pattern on a screen that is 1 m from the slits. In terms of the initial intensity I₀, the light's intensity in the interference pattern at a point for which the path difference is 100 nm is

• A) 2.62 I₀.
• B) 2.87 I₀.
• C) 3.08 I₀.
• D) 3.31 I₀.
• E) 4.39 I₀.

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