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Is there a difference between background radiation and background count rate?
There is a subtle difference. Background count rate is the measure of how strong the background radiation is.
How does a curtain passive infrared detector work?
Infrared detectors work on the principle of heat.The detector aims multiple beams of infrared waves or "curtains" into the detection path.The detector is looking for the difference in temperature between each "curtain". If there is no body heat present, all "curtains" will have the same temperature. If the difference exceeds a predetermined threshhold, a circuit is tripped.
What are the differences between proportional counter and gm counters in radiation monitoring?
The proportional counter is operating in linear mode, so the energy pulse measured by the detector is proportional to the energy of the radioactive particle. Thus, the average current flow in the detector is a function of both the activity (curies) and the energy (kEv) of the source. This detector is better at measuring the dose rate of the source. The Geiger-Muller detector, on the other hand, operates in avalanche mode, so the energy pulse measured by the detector is not proportional to the energy of the radioactive particle. Thus, the average current flow in the detector is a function of only the activity (curies) of the source. This detector is better at measuring the activity of the source, and can be more sensitive to lower energy particles, at the loss of discrimination of what those particles are.
What is radioactivity and what is the difference between alpha beta and gamma radiation?
Alpha radiation is helium-4 nuclei - i.e., each alpha particle consists of 2 protons and 2 neutrons.Beta radiation is either electrons or positrons (= anti-electrons). Gamma radiation is high-energy photons.
What is the difference between radiation protection and radiation safety?
Radiation protection focuses on minimizing exposure to radiation to prevent harm to individuals and the environment. Radiation safety, on the other hand, encompasses practices and measures put in place to ensure that radiation sources are properly handled, stored, and used in a safe manner to protect individuals and the public from potential harm.
What is the difference between detector and diode detector?
difference between detector and diode
What is difference between a coherent detector and envelop detector?
What the difference between envelop and coherent detection of AM signals
What are the difference between sensor and metal detector?
metal detector is sensor
What the difference between the solar cell and detector?
The main difference between the solar cell and detector is that the cell stores the energy, while the detector directs the energy towards the cell.
What is the difference between photon detector and thermal detector?
The wavelength of the detected signal.
What is the difference between pressure sensor and temp sensor?
One monitors pressure and the other monitors temperature.
What is the difference between thermal and radioactive radiation?
There is no difference
What is the difference between the modulating signal and the demodulating signal in output of the detector?
Distortion.
What is the difference between CRT and TFT monitor?
CRT monitors are the old traditional fat monitors that look like TVs, and TFT are flat screens.
Is there a difference between background radiation and background count rate?
There is a subtle difference. Background count rate is the measure of how strong the background radiation is.
What is the difference between cosmic and terrestial radiation?
Basicly the wavelengh
Does it matter if aluminum absorbers are near a Geiger-Muller detector when you have a radioactive source of beta particles?
It does if you want to detect the beta radiation. Beta radiation, beta particles, can be stopped with a sheet of aluminum foil. An aluminum "absorber" would act as a shield to the Geiger-Müller (GM) detector and stop the beta radiation, which is really high energy electrons or possibly positrons. Placing a shield between the source of the beta radiation and the GM detector would block the radiation, thus shielding the detector from it. The detector would be "blind" to the radiation. Note that this would be effective if all you wanted to do was look at gamma rays. The gamma rays and the beta radiation would leave the source and head to the GM detector, the beta particles would be blocked by the aluminum, and only the gamma rays would make it to the GM tube to be counted. Links can be found below.
