When Light of Wavelength 700 Nm Is Used in a Single-Slit

question 12

Multiple Choice

When light of wavelength 700 nm is used in a single-slit diffraction pattern, the central maximum has a width of 3.5 cm. When the light source is replaced by one of wavelength 500 nm, what central width will result? Assume small angles.

• A) 3.5 cm
• B) 3.0 cm
• C) 2.5 cm
• D) 4.9 cm
• E) 4.0 cm

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