The Figure Shows the Interference Pattern Obtained in a Double-Slit

question 29

Multiple Choice

The figure shows the interference pattern obtained in a double-slit experiment using light of wavelength 600 nm.
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-Which one of the following phenomena would be observed if the wavelength of light were increased?

• A)The fringes would be brighter.
• B)More bright fringes would appear on the screen.
• C)The distance between dark fringes would decrease.
• D)Single-slit diffraction effects would become non-negligible.
• E)The angular separation between bright fringes would increase.

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