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[2] 2. (a) In Gamma ray spectroscopy semiconductor detectors are used to detect the radiation. Give two names of the typ
Posted: Tue May 31, 2022 10:37 pm
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- 2 2 A In Gamma Ray Spectroscopy Semiconductor Detectors Are Used To Detect The Radiation Give Two Names Of The Typ 1 (36.55 KiB) Viewed 24 times
[2] 2. (a) In Gamma ray spectroscopy semiconductor detectors are used to detect the radiation. Give two names of the types of semiconductor detectors used. (b) Give two advantages of each of the name detector over the other type. (c) (i) Explain the two roles of reverse biasing when connection the semiconductor detectors. [4] [4] (ii) What do you understand by the term "efficiency of a detector"? [2] (iii) List the two types of efficiency associated with semiconductor detectors. [2] (d) A Gamma ray sample emits 648 counts per minute, then the detector is able only to detect 340 counts per minute. What is the efficiency of the gamma ray detector used? [4] (e) Briefly discuss two disadvantages associated with gamma ray spectroscopy for characterization of radioactive elements. [2]