Physics · Oct / Nov 2018 · Paper 22 · Question 6

Fig. 6.1 shows a radiation detector placed on a laboratory bench. 000031 counts / minute radiation detector point P Fig. 6.1 The detector is switched on and six readings of the count rate are recorded. The table in Fig. 6.2 shows the readings obtained. reading number 1 2 3 4 5 6 count rate counts / minute 31 36 29 32 31 33 Fig. 6.2

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