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प्रश्न
What can happen when a hydrogen atom absorbs energy?
पर्याय
Its electron must remain in the ground state.
Its electron can jump from the ground state to a higher orbit.
Its electron must jump to the innermost orbit.
Its electron must become completely free from the atom.
MCQ
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उत्तर
Absorbed energy can raise the electron from the ground state to a higher orbit. The atom is then in an excited state.
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