A beam of electrons is accelerated from rest through a potential difference of 0.120 kV and then passes through a thin slit. The diffracted beam shows its first diffraction minima at ±13.0∘ from the original direction of the beam when viewed far from the slit. Do we need to use relativity formulas? explain pleaseHow wide is the slit?
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A beam of electrons is accelerated from rest through a potential difference of 0.120 kV and then pas...
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