A Young's Double-Slit Apparatus Is Set Up

question 83

Multiple Choice

A Young's double-slit apparatus is set up. The source wavelength is 430 nm, and the double-slit spacing is 0.040 mm. At what distance from the double slits should the screen be placed if the spacing between alternating bright fringes is to be 2.6 cm? (1 nm = 10 ^{- 9} m)

• A) 2.9 m
• B) 2.4 m
• C) 2.2 m
• D) 1.6 m