Diagram 1 shows a liquid-in-glass thermometer.
Rajah 1 menunjukkan satu termometer cecair-dalam-kaca.
Diagram 1
a. i. Name the liquid P used in the thermometer.
Namakan cecair P yang digunakan dalam termometer itu.
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ii. State the physical change in the liquid when the themperature increases.
Nyatakan perubahan sifat fizikal pada cecair apabila suhu bertambah.
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b. Diagram 2 shows two types of thermometer.
Rajah 2 menunjukkan dua jenis termometer.
i. Which thermometer is more sensitive?
Termometer yang manakah lebih peka?
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ii. State one reason for your answer in (b)(i).
Nyatakan satu sebab bagi jawapan anda di (b)(i).
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Answer
Mercury
When the temperature increases the mercury expands
Thermometer X
Because thermometer X has smaller absolute of change that can be detected by a measurement than thermometer Y