What is the origin of alpha particles?

• Radioactive nuclei of light elements

• Radioactive nuclei of heavy elements

• Electromagnetic radiation

• Neutrons and protons

In which unit is radiation exposure typically measured?

• Sievert

• Gray

• Rontgen

• Coulomb per kilogram

The principal difference between x-rays and gamma rays is their:

• Energy.

• Frequency.

• Origin.

• Velocity.

In the field of radiology, what unit of measurement is commonly used for energy?

• Kilograms (kg).

• Newtons (N).

• Electron volt (eV).

• Ergs (erg).

What is the least familiar but highly important form of energy used in radiology?

• Kinetic energy.

• Electrical energy.

• Nuclear energy.

• Electromagnetic energy.

Which of the following is the largest man-made source of ionizing radiation?

• Nuclear power generation.

• Consumer items.

• Diagnostic X-ray.

• Terrestrial radiation.

Which type of radiation is emitted by radon gas?

• Alpha radiation.

• Beta radiation.

• Gamma radiation.

• Neutron radiation.

Which form of energy is associated with the energy of motion at the molecular level?

• Nuclear energy.

• Kinetic energy.

• Thermal energy.

• Potential energy.

How far can a beta particle typically traverse in air?

• 1 to 2 cm

• 3 to 5 cm

• 10 to 100 cm

• 1 to 10 meters

What is the primary origin of beta particles?

• Nuclei of atoms

• Electrons

• Neutrons

• Photons