Radiation and Measurement

Which of the following is classified as ionizing radiation?

• Radio waves

• Microwaves

• X-rays

• Infrared

What is the primary characteristic that differentiates ionizing from non-ionizing radiation?

• The speed at which it travels

• The ability to remove electrons from atoms

• The color of the radiation

• The distance it can travel

Which of the following is a form of particulate radiation?

• Gamma rays

• X-rays

• Alpha particles

• Ultraviolet rays

Which natural radiation source contributes the most to background radiation exposure?

• Cosmic radiation

• Radon gas

• Internal radiation

• Terrestrial radiation

5. What is the primary unit used to measure Equivalent Dose (EqD)?

• Sievert

• Gray

• Rem

• Rad

Which unit is used to measure the biological effect of radiation?

• Gray (Gy)

• Sievert (Sv)

• Becquerel (Bq)

• Rem

What is the main source of manmade radiation exposure to the general public?

• Nuclear power plants

• Air travel

• Medical radiation

• Nuclear weapons testing

What is a key difference between alpha and beta particles?

• Alpha particles are more penetrating than beta particles

• Beta particles are heavier than alpha particles

• Alpha particles are more damaging when inhaled or ingested

• Beta particles can be stopped by a sheet of paper

What happens when ionizing radiation interacts with human tissue?

• It always causes immediate burns

• It can cause cellular damage leading to mutations and cancer

• It makes the tissue glow

• It has no effect unless the exposure is extremely high

9. The event that resulted in the release of a massive amount of radioactive material, leading to over 1700 cases of thyroid cancer is:

• Chernobyl nuclear accident

• Fukushima nuclear disaster

• Three Mile Island accident

• None of the above