The electron in a hydrogen atom makes a transition from an excited state to the ground state. Which of the following statements is true? (a) Its kinetic energy increases, and the potential and total energies decrease. (b) Its kinetic energy decreases but the potential energy increases, and thus the total energy remains the same. (c) Its kinetic and total energies decrease, and the potential energy increases. (d) Its kinetic, potential and total energies decrease.

The electron in a hydrogen atom makes a transition from an excited sta

1.	The electron in a hydrogen atom makes a transition from an excited state to the ground state. Which of the following statements is true? (a) Its kinetic energy increases, and the potential and total energies decrease. (b) Its kinetic energy decreases but the potential energy increases, and thus the total energy remains the same. (c) Its kinetic and total energies decrease, and the potential energy increases. (d) Its kinetic, potential and total energies decrease.
Answer» Correct Answer is: (a) Its kinetic energy increases, and the potential and total energies decrease.

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