Types of Radiation (AQA GCSE Physics): Flashcards
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Practise the cards
13 cards from this deck
What is an alpha particle composed of?
What is an alpha particle composed of?
2 neutrons and 2 protons
Alpha particle travel distance in air
Alpha particle travel distance in air
Around 5 cm
What stops alpha radiation?
What stops alpha radiation?
Single sheet of paper
Ionisation strength of alpha radiation
Ionisation strength of alpha radiation
Very strongly ionising
What is a beta particle?
What is a beta particle?
Electron ejected from nucleus at high speed
How is a beta particle formed?
How is a beta particle formed?
Neutron changes into proton and electron
Beta particle travel distance in air
Beta particle travel distance in air
About 15 cm
What stops beta radiation?
What stops beta radiation?
Few millimetres of aluminium
Ionisation strength of beta radiation
Ionisation strength of beta radiation
Quite strongly ionising
What is gamma radiation?
What is gamma radiation?
Electromagnetic radiation from nucleus
Gamma radiation travel distance in air
Gamma radiation travel distance in air
Several metres
What absorbs gamma radiation?
What absorbs gamma radiation?
Thick lead sheets or metres of concrete
Ionisation strength of gamma radiation
Ionisation strength of gamma radiation
Weakly ionising