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Radiation - Coggle Diagram
Radiation
alpha
Type of particle- helium nucleus
Relative mass- 4
Penetrating power- weak
ionising ability- strong
Relative charge= +2
Range in air- 5-8cm
Blocked by few mm of paper
beta
high speed electron
Relative mass 0.0005
Relative charge- -1
Moderately ionising
moderately penetrating
Range in air 500- 1000cm
blocked by a few mm of aluminium
gamma
em wave
ionising ability- weak
penetrating power strong
Relative mass/ charge- 0
blocked by few cm of lead and several m of concrete