An aluminum foil is placed across a beam of radiation from a radioactive source. Which...
PHYSICS
WAEC 2014
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?
- A. alpha and beta particles
- B. alpha and gamma particles
- C. beta and gamma particles
- D. gamma particles only
Correct Answer: A. alpha and beta particles
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