What is the primary benefit of utilizing a Geiger-Muller counter?

The primary benefit of utilizing a Geiger-Muller counter is that it provides immediate visual feedback on radiation levels. These devices are designed to give real-time readings, often through a needle gauge or an audible clicking sound, indicating the presence and intensity of radiation in the environment. This immediate feedback is crucial for situations where quick assessment of radiation exposure is necessary, such as in emergency response scenarios or during routine safety checks.

Other options, while potentially having merit, do not capture the defining advantage of Geiger-Muller counters. For instance, while they are capable of detecting various types of radiation, they are not universally effective for all forms, particularly high-energy gamma radiation and neutron detection, which limits their application in certain contexts. Additionally, Geiger-Muller counters typically require some form of calibration to ensure accurate readings. Lastly, while cost may be a factor in choosing a detector, the price can vary greatly based on the specific model and functionality, making it an unreliable benchmark compared to the immediate feedback feature that Geiger-Muller counters offer.