Nuclear radiation (AQA GCSE Physics): Flashcards
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Practise the cards
15 cards from this deck
What causes nuclear radiation?
What causes nuclear radiation?
Unstable atoms breaking down
Process name for unstable atom breakdown
Process name for unstable atom breakdown
Radioactive decay
Predictability of radioactive decay
Predictability of radioactive decay
Random/unpredictable
Alpha particle composition
Alpha particle composition
2 protons + 2 neutrons (helium nuclei)
Alpha particle charge
Alpha particle charge
Material that stops alpha particles
Material that stops alpha particles
Paper or a few cm of air
Identity of beta particles
Identity of beta particles
High-speed electrons
Beta particle charge
Beta particle charge
Material that stops beta particles
Material that stops beta particles
Few millimetres of aluminium
What type of radiation are gamma rays?
What type of radiation are gamma rays?
Electromagnetic radiation
Gamma ray mass and charge
Gamma ray mass and charge
No mass, no charge
Material that stops gamma rays
Material that stops gamma rays
Thick lead or concrete
Ionising power order (highest first)
Ionising power order (highest first)
Alpha Beta Gamma Neutron
Penetrating power order (highest first)
Penetrating power order (highest first)
Neutron Gamma Beta Alpha
Ionising vs penetrating power relationship
Ionising vs penetrating power relationship
Inversely related (high ionising = low penetrating)