In Gamma-Decay a Nucleus in an Excited State Decays to a Lower

question 6

Multiple Choice

In gamma-decay a nucleus in an excited state decays to a lower energy state by the emission of a high energy photon called a gamma-ray.

• A)Gamma-decay is always slow (greater than a ns).
• B)Gamma-decay is always fast (less than a ns).
• C)Gamma-decay is usually fast but can in special cases be slow.
• D)Gamma-decay is always accompanied by the emission of a neutrino.
• E)Gamma-decay is always accompanied by the emission of a \(\beta\)-particle.

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