Question
A nucleus is observed to emit a γ ray with a frequency of $6.3\times 10^{19}\textrm{ Hz}$. What must happen to the nucleus as a consequence?
1. The nucleus must gain 0.26 MeV.
2. The nucleus must also emit an α particle of energy 0.26 MeV in the opposite direction.
3. The nucleus must lose 0.26 MeV.
4. The nucleus must also emit a β particle of energy 0.26 MeV in the opposite direction.
(c)
Solution Video