Radiation Physics Quiz

Which type of radiation has enough energy to remove bound electrons?

• B. Ionizing radiation

• A. Non-ionizing radiation

• D. Gravitational radiation

• C. Thermal radiation

What is the unit of radioactivity in the international system of units?

• A. Curie

• B. Becquerel

• C. Gray

• D. Sievert

Which of the following is a charged particle?

• D. X-rays

• A. Gamma rays

• C. Alpha particles

• B. Neutrinos

What does the term 'half-life' refer to?

• B. Time for full decay of a substance

• A. Time for half of the atoms to decay

• C. Time for radiation to dissipate

• D. Time for energy to be absorbed

What is the primary characteristic of isotopes?

• C. Different chemical properties

• B. Same number of protons

• D. Different atomic masses

• A. Same number of neutrons

Which of the following is a source of natural radiation?

• C. Nuclear power plants

• A. Medical X-rays

• D. Industrial equipment

• B. Cosmic rays