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371850
Radiation
Description
Here are some facts about the three types of Radiation, Alpha, Beta and Gamma
No tags specified
gcse
p2
physics
physics
p2
a2
Mind Map by
Alex Maraio
, updated more than 1 year ago
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Created by
Alex Maraio
about 11 years ago
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Resource summary
Radiation
Alpha
Helium Neculi
Consists of 2 Protons and 2 Neutrons
Thus has an Atomic Wight of 4
Has a 2+ Charge
Stopped by paper or a few cm of Air
Strongly Inonising
Annotations:
Ionising simply means that it takes away or gives electrons to atoms.
Weakly deflected by Electromagnetic feilds
Has High Momentum
Linked to high mass
Gamma
High Energy Electromagnetic Radiation
Has no Electric Charge
No Atomic Mass
Wave, not a particle
Reduced by a few cm of Lead or meters of Concrete
Due to such high energies involved
Can't stop them totaly
Very weak Ionising Effect
Happens if it knocks off an electon
No deflection from Electromagnetic Fields
Beta
High Energy Electron, from the Nucleus
Atomic weight of 1/1860
Has a Charge of 1-
Stopped by a few mm of Aluminium
They are weakly Ionising
They are strongly deflected by Electromagnetic feilds
Has a very low mometum
Linked to low mass
Media attachments
Gamma (image/png)
Beta.gif (image/gif)
Alpha (image/jpg)
Elecrromagnetic_Waves.gif (image/gif)
Penetration_Powers (image/png)
Radiation_Symbol.gif (image/gif)
Radiation_Symbol_2 (image/jpg)
Radiation_Thingy (image/jpg)
Radiation.gif (image/gif)
Screenshot__37_ (image/png)
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