The electron in a hydrogen atom makes a transition from an excited state to the ground state. Which of the following is true:

Its kinetic energy increases and its potential and total energies decreases

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Its kinetic energy decreases, potential energy increases and total energy remains same

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Its kinetic and total energies decrease and its potential energy increases

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Its kinetic, potential and total energies decrease

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Solution

The correct option is A
Its kinetic energy increases and its potential and total energies decreases

$E_{K E} =_{1} 3.6 \times \frac{Z^{2}}{n^{2}}; E_{P E} = - 27 .2 \times \frac{Z^{2}}{n^{2}}; E_{T E} = - 13.6 \times \frac{Z^{2}}{n^{2}}$

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The electron in a hydrogen atom makes a transition from an excited state to the ground state. Which of the following is true:

The correct option is A Its kinetic energy increases and its potential and total energies decreases EKE=13.6×Z2n2;EPE=−27.2×Z2n2;ETE=−13.6×Z2n2

The correct option is A
Its kinetic energy increases and its potential and total energies decreases

$E_{K E} =_{1} 3.6 \times \frac{Z^{2}}{n^{2}}; E_{P E} = - 27 .2 \times \frac{Z^{2}}{n^{2}}; E_{T E} = - 13.6 \times \frac{Z^{2}}{n^{2}}$