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Which of the following is a pattern of holes through gamma ray absorbing material, usually lead or tungsten?(a) Collimator(b) Detector crystal(c) Photo multiplier tubes(d) Position circuitryThe question was posed to me during an interview.My query is from Gamma Camera in division Radiochemical Techniques of Analytical Instrumentation

Answer»

Right option is (a) Collimator

To elaborate: Collimator is a pattern of holes through gamma ray absorbing material, usually LEAD or tungsten. In the CONVENTIONAL METHOD, the collimator is placed over the DETECTOR crystal.



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