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Which of the following instruments is used in detecting the presence of radiation?

Chemistry
WAEC 2013

Which of the following instruments is used in detecting the presence of radiation?

  • A. Cathode ray tube
  • B. Geiger-Muller counter
  • C. Mass spectrometer
  • D. X-ray tube
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Correct Answer: Option B
Explanation

The Geiger- Muller counter is a device for measuring radioactivity by detecting and counting ionizing particles.

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