Page 156 - MODUL SPEKTRUM FIZIK SPM

3. Diagram 3 shows a quality control system where cans of milk with volume less than the minimum
requirement will be rejected.
Rajah 3 menunjukkan suatu sistem kawalan kualiti di mana tin-tin susu dengan isipadu yang kurang
daripada keperluan minimum akan dikeluarkan.

Diagram 3 / Rajah 3

Table 3 shows four radioisotopes with their respective properties.
Jadual 3 menunjukkan empat radioisotop dengan ciri masing-masing.

Radioisotope State of matter Type of radiation Half-life of radioisotope
Radioisotop Keadaan jirim Jenis sinaran Separuh hayat radioisotop
Sodium-24 Liquid Gamma 15 hours
Natrium-24 Cecair Gama 15 jam
Phosphorus-32 Liquid Beta 14.3 days
Fosforus-32 Cecair Beta 14.3 hari
Cobalt-60 Solid Gamma 5.27 years
Kobalt-60 Pepejal Gama 5.27 tahun
Strontium-90 Solid Beta 28.5 years
Strontium-90 Pepejal Beta 28.5 tahun

Table 3 / Jadual 3

(a) What is the meaning of half-life?
Apakah maksud separuh hayat?

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Sektor Pembelajaran, Jabatan Pendidikan Negeri Sabah | 2020 155