Types of Radiation (OCR GCSE Physics A (Gateway Science Suite)): Flashcards
📚Flashcards
Practise the cards
13 cards from this deck
ShowHide
Practise the cards
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
What stops alpha () radiation
What stops alpha () radiation
Single sheet of paper
Ionising strength of alpha () radiation
Ionising 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
Distance beta () travels in air
Distance beta () travels in air
About 15 cm
What stops beta () radiation
What stops beta () radiation
Few millimetres of aluminium
Ionising strength of beta () radiation
Ionising strength of beta () radiation
Quite strongly ionising
What type of radiation is gamma ()?
What type of radiation is gamma ()?
Electromagnetic radiation from nucleus
Distance gamma () travels in air
Distance gamma () travels in air
Several metres
What absorbs gamma () radiation
What absorbs gamma () radiation
Thick lead sheets or metres of concrete
Ionising strength of gamma () radiation
Ionising strength of gamma () radiation
Weakly ionising