Answer :
After considering the given data we conclude that semiconductor detectors more efficient and sensitive than gas-filled detectors for detecting ionizing radiation.
The parameter (po) is used with semiconductor detectors to describe the average energy required to create an electron-hole pair in the detector material
.The numerical value of (po) for silicon or germanium detectors is much higher than the W values for typical gas-filled detectors. The value of (po) for silicon is about 3.6 eV, while the value for germanium is about 2.9 eV. In comparison, the W value for air is about 34 eV per ion pair.
This means that semiconductor detectors require much less energy to create an electron-hole pair than gas-filled detectors require to create an ion pair. This makes semiconductor detectors more efficient and sensitive than gas-filled detectors for detecting ionizing radiation
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