When electrons in an atom in an excited state fall to lower energy levels, energy is :

absorbed only.

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released only.

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neither released nor absorbed.

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both released and absorbed.

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Solution

The correct option is C released only.
An electron of the atom goes into a higher energy level when we provided sufficient energy to excite the electron. When an electron comes into its lower energy level it releases energy in the form of photons. So, the energy always released only when an electron comes into a lower energy level.

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