Nuclear Physics 2

Which type of radiation is an alpha particle?

• Alpha radiation
• X-ray radiation
• Gamma radiation
• Beta radiation

What is the daughter nuclide formed from alpha decay of radium-226?

• radon-222
• barium-226
• thorium-230
• lead-214

What is a beta particle?

• A beta particle is a form of gamma radiation.
• A beta particle is a neutron emitted during decay.
• A beta particle is a type of alpha particle.
• A beta particle is an electron or positron emitted during radioactive decay.

What is the daughter nuclide formed from beta decay of carbon-14?

• Hydrogen-14
• Nitrogen-14
• Oxygen-14
• Carbon-12

What is the daughter nuclide formed from gamma decay of 243m-Am

• 243-Cm
• 243-Am
• 242-Am
• 244-Am

Which process is NOT a quantum tunnelling process?

• Alpha decay
• Beta decay
• Proton emission

• Spontaneous fission

Which process competes with positive beta decay?

• Gamma radiation
• Alpha decay
• Electron capture
• Neutron emission

What is emitted during beta decay to balance the energy emitted?

• Antineutrino or neutrino
• Protons
• Gamma rays
• Alpha particles

What is the SI unit for radioactivity?

• curie (Ci)
• becquerel (Bq)
• gray (Gy)
• sievert (Sv)

What is the probability that a radionuclide will decay denoted by?

• Radiation type (α, β, γ)
• Activity (A)
• Half-life (T1/2)
• Decay constant (λ)