18 Questions
What is the dominant decay mechanism in spontaneous fission?
Alpha decay
How does the alpha emission rate compare to the spontaneous fission rate?
Alpha emission rate is higher
What is the approximate energy of fission for 252Cf?
185 MeV
How does the energy distribution between light and heavy fragments in spontaneous fission compare?
Light fragments have higher energy
Why are alpha particles emitted in opposite directions during spontaneous fission?
To conserve momentum
What does Ee represent in the context of internal conversion electrons?
Energy of the internal conversion electron
Which process is favored in low Z elements due to their small binding energy?
Auger electron emission
In alpha decay, what is emitted from the original nucleus?
Alpha particle
What is the change that occurs during spontaneous fission?
Splitting of a heavy nucleus into two roughly equal parts
What is the typical energy range of Auger electrons?
$0.1-1$ keV
What is the relationship between the excitation energy and the binding energy in the context of internal conversion electrons?
Directly proportional
What is the unit of specific activity?
Becquerel
Which type of radiation can penetrate only a small thickness of material?
Alpha particles
How much energy is required for fast energy reactions involving ionization radiation?
20 MeV
Which process involves a neutron transforming into a proton and emitting an electron and a neutrino?
Beta decay
In nuclear decay, what does the decay constant represent?
Rate of decay of a radioactive source
Which radioactive process involves the emission of a helium nucleus?
$\alpha$ decay
$^{214}Po$ has a half-life of approximately 164 microseconds. What does this indicate?
$^{214}Po$ decays rapidly but emits gamma rays slowly
Explore the concepts of internal conversion electrons, nuclear excitation energy, binding energy, energy spectrum, and competitive processes in radiation sources. Understand the relationship of energy with the atomic number of the radionuclide.
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