Types of radiation Flashcards
What are the three main types of radiation?
Alpha, beta, and gamma radiation.
True or False: Alpha particles are negatively charged.
False.
Fill in the blank: Alpha particles are made up of _____ protons and _____ neutrons.
2 protons and 2 neutrons.
Which type of radiation has the highest penetrating power?
Gamma radiation.
What is the charge of beta particles?
Beta particles can be negatively charged (beta minus) or positively charged (beta plus).
True or False: Gamma radiation can be stopped by a sheet of paper.
False.
What is the primary source of background radiation?
Natural sources such as cosmic rays, radon gas, and terrestrial sources.
Multiple Choice: Which type of radiation is most harmful when ingested or inhaled? A) Alpha B) Beta C) Gamma
A) Alpha.
What is the effect of alpha particles on living tissue?
Alpha particles can cause significant damage to living tissue if ingested or inhaled.
Fill in the blank: Beta particles are emitted from the _____ of an atom.
nucleus.
What type of radiation is used in cancer treatment?
Gamma radiation.
True or False: Beta particles can penetrate skin but are stopped by aluminum.
True.
Which type of radiation is most easily shielded against?
Alpha radiation.
Multiple Choice: What is the mass of an alpha particle? A) 0 B) 1 C) 4
C) 4.
What is the main difference between alpha and beta radiation?
Alpha radiation consists of helium nuclei, while beta radiation consists of electrons or positrons.
True or False: Gamma rays have no mass and no charge.
True.
What type of radiation can cause ionization in atoms?
Alpha, beta, and gamma radiation can cause ionization.
Fill in the blank: Gamma radiation is often emitted alongside _____ particles.
alpha or beta.
What is the role of a Geiger-Muller tube?
To detect and measure ionizing radiation.
Multiple Choice: Which radiation is least ionizing? A) Alpha B) Beta C) Gamma
C) Gamma.
True or False: Alpha radiation can travel through air for several meters.
False.
What is the primary hazard of beta radiation?
It can penetrate the skin and cause damage to living tissue.
Fill in the blank: The unit of measurement for radiation dose is _____.
sievert (Sv).
What type of radiation is emitted during radioactive decay?
Alpha, beta, or gamma radiation.
True or False: Alpha particles can be stopped by a few centimeters of air.
True.
What is one common use of beta radiation?
In medical imaging and treatment.
