Types of Radiation
- Created by: ebough
- Created on: 04-11-14 16:49
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- Types of Radiation
- beta
- ?
- high speed - electron from the nucleus
- CHARGE = -1
- MASS = negligible
- IONISATION ABILITY
- medium (less than alpha because smaller)
- PENETRATION
- medium - few mm's of metal
- alpha
- ?
- 2 protons, 2 neutrons
- helium nucleus
- MASS = 4
- CHARGE = +2
- IONISATION ABILITY
- HUGE & knocks bits off things (DAMAGING)
- PENETRATION
- V.LOW (loses energy quickly colliding with e.g. air
- gamma
- ?
- IONISATION ABILITY
- small
- PENETRATION
- high (metres of concrete)
- electromagnetic wave
- NOT a particle
- beta
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