Light of Wavelength 540 Nm Is Incident on a Slit

question 75

Multiple Choice

Light of wavelength 540 nm is incident on a slit of width 0.150 mm, and a diffraction pattern is produced on a screen that is 3.00 m from the slit. What is the width of the central bright fringe? (1 nm = 10 ^{- 9} m)

• A) 1.44 cm
• B) 0.720 cm
• C) 2.16 cm
• D) 1.76 cm

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