Physics · May / June 2019 · Paper 21 · Question 11
5054
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The question as text
A teacher carries out an experiment on radioactivity using the apparatus shown in Fig. 11.1. detector counter radioactive source Fig. 11.1 (not to scale) The count rate is a measurement of the count during one minute.
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11(a)(i)[1]
11(a)(ii)[1]
11(b)(i)[1]
11(b)(ii)[2]
11(c)(i)[1]
11(c)(ii)[2]
11(d)(i)[1]
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11(e)[3]
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