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Presentation used for revision of the UK Edexcel A2 Physics B radiation topic.

Philip Jensen

on 19 April 2010

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Transcript of Radiation

Radiation Alpha Beta Gamma Particle: Electron Anti-Particle: Positron Particle: Photon Frequency of around 10^11 Hz Highly affected by magnetic fields.
Highly ionising.
Blocked by paper or skin. Affected slightly by magnetic fields.
Slightly ionising.
Blocked by aluminium. Particle: Helium Nuclius Barely ionising.
Not affected by magnetic fields.
Blocked by several cm of lead.
Charge: +2e Mass: 6.64*10^-27 kg Charge: -1e Mass: 9.11*10^-31 kg Charge: None Mass: None
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