A Beam of Electrons Is Incident on a Single Slit

question 1

Multiple Choice

A beam of electrons is incident on a single slit that has a width of 1.00 × 10^-6 m and a diffraction pattern is observed on a screen located 15.0 m from the slit. The momentum of an individual electron in the beam is 5.91 × 10^-24 kg . m/s. What is the width of the central maximum fringe?

• A)5.87 × 10^-5 m
• B)1.33 × 10^-4 m
• C)6.67 × 10^-4 m
• D)3.37 × 10^-3 m
• E)7.50 × 10^-3 m

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