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Q: Which of the following does NOT match?
  • A. Compass – used for navigation and indicates north-south directions
  • B. Cyclotron – measures small magnitude Cyclones
  • C. Actinometer – measures the intensity of radiation
  • D. Electroscope – detects the presence of electric charge
Correct Answer: Option B - A cyclotron is a type of compact particle accelerator which produces radioactive isotopes that can be used for imaging procedure. Rests are correctly matched.
B. A cyclotron is a type of compact particle accelerator which produces radioactive isotopes that can be used for imaging procedure. Rests are correctly matched.

Explanations:

A cyclotron is a type of compact particle accelerator which produces radioactive isotopes that can be used for imaging procedure. Rests are correctly matched.