Physics
NULL
Medium
Question
In an electronic transition atom cannot emit______________?
A
γ-rays
✓ Official correct answer
B
Infra red radiation
C
Visible light
D
Ultraviolet rays
Community credibility
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A
γ-rays
No member explanations yet for this option.
B
Infra red radiation
No member explanations yet for this option.
C
Visible light
No member explanations yet for this option.
D
Ultraviolet rays
No member explanations yet for this option.
Explanation
Gamma rays originate from nuclear transitions, not electronic (atomic shell) transitions, so an atom's electronic transitions cannot produce gamma radiation -- only IR, visible, UV, or (for larger gaps) X-ray photons.
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