Radiation Flashcards
___________ ____ is the process by which unstable atoms emit radiation until they become stable.
Radioactive Decay.
What type of Radiation can be stopped by 5CM of Air?
Alpha Radiation.
What type of Radiation can be stopped by 1M of Air?
Beta Radiation.
Name the instrument used to detect Radioactivity.
Geiger Counter.
What type of Radiation is the least Ionising?
Gamma Radiation.
How do you NOT safely handle Radioactive Materials?
Picking it up using your hands.
What type of Radiation can be stopped by a piece of paper?
Alpha Radiation.
What is the order from most to least Penetrative Radiation?
Gamma, Beta, Alpha.
What type of Radiation is most Ionising?
Alpha Radiation.
What type of Radiation can be stopped by a 5MM piece of Aluminium?
Beta Radiation.
What type of Radiation can be stopped by a thick Lead sheet?
Gamma Radiation.
What is the most Penetrative type of Radiation?
Gamma Radiation.
When does Radioactive Decay occur?
When a Nucleus of an Isotope is unstable.