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(i) Material for the control rods
Bahan untuk rod kawalan
Reason
Sebab
___________________________________________________________________________
(ii) Thickness of the concrete wall of the reactor
Ketebalan dinding konkrit bagi reaktor
Reason
Sebab
[4 marks / 4 markah]
(d) Diagram 7.2 shows the decay graph for uranium-235 in the nuclear reactor.
Rajah 7.2 menunjukkan graf reputan uranium-235 dalam reaktor nuklear.
Diagram 7.2
Rajah 7.2
(i) Use the graph in Diagram 7.2 to estimate the half-life of uranium-235.
Show clearly on the graph how you obtain your answer.
Sektor Pembelajaran, Jabatan Pendidikan Negeri Sabah | 2020 221
