A Young's Double-Slit Apparatus Is Set Up

question 35

Multiple Choice

A Young's double-slit apparatus is set up.The source wavelength is 442 nm,and the double-slit spacing is 0.0404 mm.At what distance from the double slits should the screen be placed if the spacing between alternating bright fringes is to be 2.80 cm? (1 nm = 10−⁹ m)

• A) 256 m
• B) 2.56 m
• C) 0.326 m
• D) 234 m
• E) ​2.56 m

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