The width of the central fringe of a diffraction pattern
A beam of electrons passes through a single slit 49.5 nm wide. The width of the central fringe of a diffraction pattern formed on a screen 1.3 m away is 7.0 cm. What is the kinetic energy of the electrons passing through the slit?
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a beam of electrons passes through a single slit 495 nm wide the width of the central fringe of a diffraction pattern
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