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An aluminum foil is placed across a beam of radiation from a radioactive source. Which ...

An aluminum foil is placed across a beam of radiation from a radioactive source. Which of the following types of radiation will be stopped by it?
Take Free Practice Test On 2026 JAMB UTME, Post UTME, WAEC SSCE, GCE, NECO SSCE
  • A Alpha and beta particles
  • B Alpha and gamma particles
  • C Beta and gamma particles
  • D Gamma particles only
Correct Answer: Option A
Explanation:

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