(b) A beam of electrons is incident on a potential barrier of height 10eV and width 10 nm. What should be the energy of
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(b) A beam of electrons is incident on a potential barrier of height 10eV and width 10 nm. What should be the energy of
(b) A beam of electrons is incident on a potential barrier of height 10eV and width 10 nm. What should be the energy of electron so that half of them are able to penetrate through the barrier. [5]
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