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The energy level with lower energy is called __________

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The energy level with lower energy is called __________

(a) Ground state energy level

(b) Initial state energy level

(c) Excited state energy level

(d) All of the mentioned

I have been asked this question during an online exam.

This intriguing question originated from Origin of spectrum topic in portion Absorption Spectroscopy of Engineering Chemistry I

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The correct choice is (a) Ground state energy level

Best explanation: The lower energy level is called the ground state and the higher energy level is called excited state. The excited state of a system (such as an atom, molecule or nucleus) is any quantum state of the system that has higher energy than the ground state.

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