Radiation can be detected by the blankening of photographic film or by using___________________?
Correct answer: C. GM counter
- A. Ratio autoanalyser
- B. Neutron probe
- C. GM counter
- D. Dosimeter
Explanation
A Geiger-Müller counter detects ionizing radiation by registering the electrical pulses produced in its gas-filled tube. A dosimeter is mainly used to record accumulated radiation dose, so the GM counter is the intended instrument here.
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