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Question: In his double-slit experiment with electrons, Jonson used electrons with kinetic energy 50 kev.
Question I: Find the electron's de Broglie wavelength?
Question II: The two slits were separated by 2.0 um. On a screen 0.350m from the slits, what was the distance between bright diffraction fringes?
Your answer must be supported by illustrations.
a positron emission tomography scanner examines the gamma rays emitted when positrons and electrons annihilate each other. What is the wavelenth of the photons
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