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In a biological laboratory, 60 MBq of 2i'NaCI solution spilled over a circular area of (20+LDSN) cm diameter as shown in the gure below. ff

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In a biological laboratory, 60 MBq of 2i'NaCI solution spilled over a circular area of (20+LDSN) cm diameter as shown in the gure below. ff" [20+LDSN) cm 1. Calculate the surface activity Ca in Mqumz 2. What is the dose equivalent rate at height of 1m? 3. What is the total dose equivalent of a biologist spending one hour at 1m height

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