Single-Slit Diffraction: a Single Slit Forms a Diffraction Pattern, with the First

question 30

Multiple Choice

Single-slit diffraction: A single slit forms a diffraction pattern, with the first minimum at an angle of 40.0° from central maximum, using monochromatic light of 490-nm wavelength. What is the width of the slit?

• A) 762 nm
• B) 731 nm
• C) 700 nm
• D) 668 nm
• E) 637 nm