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2.18 In a hydrogen atom, the electron and proton are bound at a distance of about 0.53 \dot{A}

(b) What is the minimum work required to free the electron, given that its kinetic energy in the orbit is half the magnitude of potential energy obtained in (a)?

Answers (1)

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the potential energy of the system is -27.2eV. (from the previous question)

Kinetic energy is half of the potential energy in magnitude. so

Kinetic energy = 27/2 = 13.6eV

so,

Total energy = 13.6 - 27.2 = -13.6eV

Hence the minimum work required to free the electron is 13.6eV 

Posted by

Pankaj Sanodiya

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