Physics paper 1 Flashcards
1
Q
IONSING RADIATION
Alpha particles
A
- same as helium particels - 2 protons, 2 neutrons
- least penetrating
- most ionsing
2
Q
IONSING RADIATION
Beta Particles
A
- electron
- moderatly ionsing; less then alpha
- moderatly penetrating; more then alpha
- absorbed by a sheet of alluminium
3
Q
IONSING RADIATION
Gamma particles
A
- electromagentic waves
- most penetracting
- least iosning
- absorbed by a thick sheet of lead or maters of concrete
