In what condition would a geiger-muller counter typically be used?

A Geiger-Muller counter is commonly used for surveying contamination because it is specifically designed to detect and measure ionizing radiation, including alpha, beta, and gamma radiation. This instrument provides a portable and effective way to identify areas with radioactive contamination, making it an essential tool in environments where the presence of radioactivity needs to be monitored, such as nuclear medicine facilities, research laboratories, or during radiological emergencies.

Its sensitivity allows operators to quickly assess levels of contamination on surfaces and in the air, ensuring safety protocols are followed. This is particularly important in contamination control, occupational safety, and emergency response scenarios, where evaluating the extent of exposure is critical to protecting personnel and the environment.

The other choices represent different applications that are not typically suited for the capabilities of a Geiger-Muller counter. Measuring radiation doses for therapy requires precise dosimetry instruments that can provide accurate dose assessments rather than just detecting radiation. Calibrating imaging equipment involves specialized phantoms and dosimeters rather than general radiation detection. Performing dynamic scans relates to using specific imaging technologies that collect data over time and isn’t a task performed by a Geiger-Muller counter.