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Question
An electron moves in a circular orbit at some distance from a proton with kinetic energy E.To escape to infinity, the energy which must be supplied to the electron is
An electron moves in a circular orbit at some distance from a proton with kinetic energy E.To escape to infinity, the energy which must be supplied to the electron is
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Solution
The correct option is A E
Total energy = - Kinetic energy = -E
i.e., E energy will have to be applied to escape the electron to infinity
E
Total energy = - Kinetic energy = -E
i.e., E energy will have to be applied to escape the electron to infinity