Flashcards in P2 Physics - types of ionising radiation, properties and uses, half life Deck (9)
what are the three types of nuclear radiation?
how can alpha radiation be stopped?
absorbed by a sheet
how can beta radiation be stopped?
thin sheet of aluminum
how can gamma rays be stopped?
cm of lead, many metres of concrete
how many protons and neutrons are lost when a nucleus admits alpha radiation?
what happens when a nucleus admits beta radiation?
the proton stays inside the nucleus
what can radiation be used for? 3 things
sterilise medical equipment
what s radioactive decay?
when nuclei of radio active atoms break down to completely different atoms