An electron is confined within a region of length

PHYSICS · Single correct · CBSE · Physics · Atoms · Atoms

Problem

An electron is confined within a region of length 0.05 nm0.05\,\text{nm}. Estimate the minimum kinetic energy it must possess due to this confinement. (Take h=6.63×10−34 J sh = 6.63\times10^{-34}\,\text{J\,s}, me=9.11×10−31 kgm_e = 9.11\times10^{-31}\,\text{kg}, 1 eV=1.6×10−19 J1\,\text{eV} = 1.6\times10^{-19}\,\text{J}.) (a) 7.6 eV7.6\,\text{eV} (b) 38 eV38\,\text{eV} (c) 3.8 eV3.8\,\text{eV} (d) 1.9 eV1.9\,\text{eV}

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