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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. 1e…

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. 1e…
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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

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User Dropbear
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8.8k points

1 Answer

13 votes

Answer:

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

KE = (3 - 1.5) eV = 1.5 eV

answered
User Grmartin
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7.7k points
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