Podcast
Questions and Answers
What is the characteristic of electromagnetic radiation in terms of its electric and magnetic field components?
What is the characteristic of electromagnetic radiation in terms of its electric and magnetic field components?
- They are constant and do not oscillate
- They only have an electric field component
- They oscillate in phase with each other and perpendicular to the direction of energy propagation (correct)
- They oscillate out of phase with each other and parallel to the direction of energy propagation
What is the correct order of electromagnetic radiation in terms of increasing frequency and decreasing wavelength?
What is the correct order of electromagnetic radiation in terms of increasing frequency and decreasing wavelength?
- Gamma rays, X-rays, ultraviolet radiation, visible light, infrared radiation, microwaves, radio waves
- Visible light, ultraviolet radiation, infrared radiation, microwaves, radio waves, X-rays, Gamma rays
- X-rays, Gamma rays, ultraviolet radiation, visible light, infrared radiation, microwaves, radio waves
- Radio waves, microwaves, infrared radiation, visible light, ultraviolet radiation, X-rays, Gamma rays (correct)
What is the main component of an atom?
What is the main component of an atom?
- Nucleus
- Empty space (correct)
- Electrons
- Protons and neutrons
What happens during radioactive decay?
What happens during radioactive decay?
What is the difference between radioactive decay and what happens in a nuclear power station?
What is the difference between radioactive decay and what happens in a nuclear power station?
What is the charge of beta particles?
What is the charge of beta particles?
What is the typical range of beta particles in air?
What is the typical range of beta particles in air?
What is the difference between gamma rays and alpha particles?
What is the difference between gamma rays and alpha particles?
Why do gamma rays have no mass?
Why do gamma rays have no mass?
What is the purpose of Technetium-99 in medicine?
What is the purpose of Technetium-99 in medicine?
What happens to the nucleus after it emits a gamma ray?
What happens to the nucleus after it emits a gamma ray?
What is the charge of a beta particle?
What is the charge of a beta particle?
What is the term for the number of protons in the nucleus of an atom?
What is the term for the number of protons in the nucleus of an atom?
What is the characteristic of gamma rays in terms of speed?
What is the characteristic of gamma rays in terms of speed?
What is the main difference between isotopes of the same atom?
What is the main difference between isotopes of the same atom?
What is the diameter of the nucleus compared to the whole atom?
What is the diameter of the nucleus compared to the whole atom?
What is the purpose of carbon-14 isotope?
What is the purpose of carbon-14 isotope?
What is the biological effect of one gray of radiation?
What is the biological effect of one gray of radiation?
What is the purpose of the sievert unit?
What is the purpose of the sievert unit?
What can cause damage to the cells in the body due to radioactivity?
What can cause damage to the cells in the body due to radioactivity?
What is the definition of ionizing radiation?
What is the definition of ionizing radiation?
What can happen when radiation enters the body and hits a cell?
What can happen when radiation enters the body and hits a cell?
What is the equivalent of one sievert in rads?
What is the equivalent of one sievert in rads?
What is the main limitation of the unit used to describe an amount of gamma and X-rays in air?
What is the main limitation of the unit used to describe an amount of gamma and X-rays in air?
What is the unit of measurement that relates the absorbed dose in human tissue to the effective biological damage of the radiation?
What is the unit of measurement that relates the absorbed dose in human tissue to the effective biological damage of the radiation?
What is the unit of measurement that expresses the amount of energy actually absorbed in some material?
What is the unit of measurement that expresses the amount of energy actually absorbed in some material?
What is the unit of measurement used to express radioactivity?
What is the unit of measurement used to express radioactivity?
What is the equivalent dose of 1 rad of exposure?
What is the equivalent dose of 1 rad of exposure?
Which unit of measurement is used for any type of radiation and any material?
Which unit of measurement is used for any type of radiation and any material?
Potassium iodide can completely destroy the thyroid gland in the presence of radioactive iodine.
Potassium iodide can completely destroy the thyroid gland in the presence of radioactive iodine.
100 rems of radiation exposure can cause immediate heart failure and death.
100 rems of radiation exposure can cause immediate heart failure and death.
Symptoms of radiation sickness may persist for up to 5 years.
Symptoms of radiation sickness may persist for up to 5 years.
Radiation damage to the intestinal tract lining will cause nausea, vomiting, and diarrhea at an exposure of 100 rems or more.
Radiation damage to the intestinal tract lining will cause nausea, vomiting, and diarrhea at an exposure of 100 rems or more.
Radiation only harms the DNA of surviving cells.
Radiation only harms the DNA of surviving cells.
Taking potassium iodide can increase the effects of radioactive iodine on the thyroid gland.
Taking potassium iodide can increase the effects of radioactive iodine on the thyroid gland.
Radiation exposure of 100 rems can reduce the blood's lymphocyte cell count, making the victim more susceptible to infection.
Radiation exposure of 100 rems can reduce the blood's lymphocyte cell count, making the victim more susceptible to infection.
Early symptoms of radiation sickness are unique and easily recognizable.
Early symptoms of radiation sickness are unique and easily recognizable.
Radiation exposure can only cause immediate damage to the heart and small blood vessels.
Radiation exposure can only cause immediate damage to the heart and small blood vessels.
Radiation can only harm rapidly dividing cells in the body.
Radiation can only harm rapidly dividing cells in the body.
