What device is used to detect radiation?

### Q: What device is used to detect radiation?

### A: The device used to detect radiation is called a Geiger-Muller counter.

Radiation can come in different forms, such as alpha, beta, and gamma radiation, and it can be harmful to living organisms if exposure levels are too high. To protect ourselves from radiation, we use devices like Geiger-Muller counters to detect its presence.

The Geiger-Muller counter works by detecting the ionization of gas molecules in the air caused by radiation. When radiation interacts with the gas inside the counter, it creates ion pairs that produce an electrical pulse. This pulse can be measured and displayed on the device, indicating the presence and intensity of radiation.

The device typically consists of a tube filled with a gas, a high voltage power supply to create an electric field inside the tube, and a counting circuit to measure the electrical pulses. When radiation enters the tube, it ionizes the gas molecules and creates a conductive path for the electrical pulses, which are then counted and displayed on the device's screen.

Geiger-Muller counters are commonly used in various fields, including medicine, research, and nuclear power plants, to monitor radiation levels and ensure safety. By using these devices, we can detect and measure radiation to prevent overexposure and minimize its impact on human health and the environment.

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