Which radiation type is detected by a Personal Radiation Device (PRD)?

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Multiple Choice

Which radiation type is detected by a Personal Radiation Device (PRD)?

Explanation:
The key idea is that a Personal Radiation Device is built to detect gamma radiation. Gamma rays are high-energy photons that can travel through air and clothing, so a compact detector worn on the body can sense their presence from a distance. In contrast, alpha and beta particles have very short ranges in air and are easily stopped by clothing or skin, making them hard to detect with a wearable device. Neutrons require specialized detectors and are not what a typical PRD is designed to monitor. So, gamma radiation is the type detected by a PRD.

The key idea is that a Personal Radiation Device is built to detect gamma radiation. Gamma rays are high-energy photons that can travel through air and clothing, so a compact detector worn on the body can sense their presence from a distance. In contrast, alpha and beta particles have very short ranges in air and are easily stopped by clothing or skin, making them hard to detect with a wearable device. Neutrons require specialized detectors and are not what a typical PRD is designed to monitor. So, gamma radiation is the type detected by a PRD.

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