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For a hydrogen atom, when the electron comes in the ground state from an excited state, then

  • a)
    potential energy decrease and total energy remain constant

  • b)
    potential energy increases and total energy decreases

  • c)
    total energy increases and potential energy decreases

  • d)
    potential energy and total energy both decrease

Correct answer is option 'A'. Can you explain this answer?
Most Upvoted Answer
For a hydrogen atom, when the electron comes in the ground state from ...
Explanation:

When an electron in a hydrogen atom moves from an excited state to the ground state, it loses energy. This energy is released in the form of a photon of light. The energy of the photon is equal to the difference in energy between the two states.

In the ground state, the electron is in the lowest energy level. When it is in an excited state, it is in a higher energy level. The difference in energy between the two levels is called the potential energy.

When the electron moves from an excited state to the ground state, its potential energy decreases because it is moving to a lower energy level. However, the total energy of the system (the electron and the nucleus) increases because energy is released in the form of a photon.

Therefore, the correct answer is option 'A' - potential and total energy both increase.

Summary:

- An electron in a hydrogen atom loses energy when it moves from an excited state to the ground state.
- The potential energy of the electron decreases because it is moving to a lower energy level.
- The total energy of the system increases because energy is released in the form of a photon.
- Therefore, the correct answer is option 'A' - potential and total energy both increase.
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Community Answer
For a hydrogen atom, when the electron comes in the ground state from ...
The expression for the potential energy and total energy is given by:

Therefore, both total energy and potential energy are inversely proportional to n.
For an electron coming in the ground state from an excited state, n will decrease and thus both the total and the potential energy will increase.
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For a hydrogen atom, when the electron comes in the ground state from an excited state, thena)potential energy decrease and total energy remain constantb)potential energy increases and total energy decreasesc)total energy increases and potential energy decreasesd)potential energy and total energy both decreaseCorrect answer is option 'A'. Can you explain this answer?
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