Calculate the kinetic energy possessed by an electron when it gets ejected from an atom if the energy supplied to eject the electron is 3.0 eV and threshold energy is 1.5 eV. 1eV

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asked May 12, 2023 120k views

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Calculate the kinetic energy possessed by an electron when it gets ejected from an atom if the energy supplied to eject the electron is 3.0 eV and threshold energy is 1.5 eV. 1eV

Physics
high-school

Dropbear asked

by Dropbear

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Answer:

KE = total energy available - energy required to eject (threshold)

KE = (3 - 1.5) eV = 1.5 eV

Grmartin answered May 18, 2023

by Grmartin

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