Types of radiation (Edexcel GCSE Physics Combined Science): Flashcards
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13 cards from this deck
Composition of alpha particle
Composition of alpha particle
2 neutrons and 2 protons
Distance alpha travels in air
Distance alpha travels in air
Around 5 cm
Material that stops alpha radiation
Material that stops alpha radiation
A single sheet of paper
Ionisation strength of alpha
Ionisation strength of alpha
Very strongly ionising
What is a beta particle?
What is a beta particle?
An electron ejected from the nucleus
Formation of beta particle
Formation of beta particle
A neutron changes into a proton and electron
Distance beta travels in air
Distance beta travels in air
About 15 cm
Material that stops beta radiation
Material that stops beta radiation
A few millimetres of aluminium
Ionisation strength of beta
Ionisation strength of beta
Quite strongly ionising
What type of radiation is gamma?
What type of radiation is gamma?
Electromagnetic radiation
Distance gamma travels in air
Distance gamma travels in air
Several metres
Materials that stop gamma radiation
Materials that stop gamma radiation
Thick lead sheets or metres of concrete
Ionisation strength of gamma
Ionisation strength of gamma
Weakly ionising