Radiation Flashcards
In order of most to least penetrating radiation we have
Gamma, beta, alpha
Which type of radiation is the most ionising?
Alpha
Which type of radiation is least ionising?
Gamma
What type of radiation can be stopped by a piece of paper?
Alpha radiation
What type of radiation can be stopped by approximately 5cm of air?
Alpha
What type of radiation can be stopped by a approximately 1 m of air?
Beta radiation
What type of radiation can be stopped by a 5 mm piece of aluminium?
Beta radiation
What type of radiation can be stopped by a thick lead sheet?
Gamma radiation
_______________ is the process by which unstable atoms emit radiation until they become stable.
Radioactive Decay
Name the most penetrating type of radiation.
gamma