The main source of background radiation in the UK is radon gas.
What percentage of background radiation in the UK is made up of the radiation from cosmic rays?
10%
12%
13%
15%
What is a dosimeter?
A film badge
A foil badge
A plastic badge
A metal badge
The nucleus of a radioactive substance is , which means in can easily change or . When occurs, radiation is which causes the nucleus to lose and become more . You cannot predict when a nucleus will - it is a random process.
A Beta Particle has a positive charge.
An alpha particle has a positive charge.
Nuclear Decay is measured in...
Becquerels
Seconds
Grams
Half-Life is the time taken for all of the unstable nuclei in an radioactive isotope to decay.
Hooks are used to handle radioactive sources
Gamma rays can be used to diagnose cancer
Positron diagnosis uses gamma cameras
Alpha Particles are...
Weakly ionising
Moderately ionising
Strongly ionising
Beta Particles are...
Weakly ionsning
Uranium is renewable
Chernobyl is located where?
Russia
Ukraine
Slovakia
Denmark
Control Rods absorb electrons.
Tick the equipment used in fission reactors
Control Rods
Host
Fuel Bars
Moderator
Reactor Core
Chain Reaction Core
Tick advantages of nuclear fusion.
Easier to dispose of radioactive waste
Needs temperatures like on the sun
Sources will last at least 200 years
An Isotope is an atom sod a single element with a different number of protons
Conditions needed for Fusion reactors cannot currently be sustained.
