Electrons are accelerated from rest through a (2.0-mathrm{kV}) potential difference. What are ((a)) their speed after this
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Electrons are accelerated from rest through a \(2.0-\mathrm{kV}\) potential difference. What are \((a)\) their speed after this acceleration and \((b)\) their wavelength?
(c) If the accelerated electrons are incident on a graphite crystal that has a lattice spacing of \(0.123 \mathrm{~nm}\), do you expect to observe diffraction?
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