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Q: 11.13 (a) What is the momentum of an electron with kinetic energy of  120\hspace{1mm}eV

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The relation between momentum and kinetic energy is

\\p=\sqrt{2mK}\\ p=\sqrt{2\times 9.1\times 10^{-31}\times 120\times 1.6\times 10^{-19}}\\ p=5.911\times 10^{-24}\ kg\ m\ s^{-1}

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Sayak

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