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Hazards of Radiation and Protection Methods

Atomic structureAtoms and nuclear radiation

Key concepts

What you'll likely be quizzed about

  • Radiation includes alpha particles, beta particles, and gamma rays.
  • Alpha particles are positively charged and can be stopped by paper.
  • Beta particles are negatively charged, can penetrate paper but are stopped by aluminum.
  • Gamma rays are highly penetrating electromagnetic waves that require lead or thick concrete for shielding.

Flashcards

Test your knowledge with interactive flashcards

How do alpha particles interact with materials?

Click to reveal answer

Alpha particles can be stopped by paper due to their positive charge and large mass.

Key notes

Important points to keep in mind

Use lead or concrete to shield gamma rays

Alpha particles can be stopped by paper

Limit time spent near radiation sources

Maintain a safe distance from radiation sources

Always wear protective equipment when necessary

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