少少phy 問題 10分

1.in which of the temperature ranges: 0- 20, 40-60 , 80-100 is the thermister thermometer the most accurate? Explain your answer
答案係 0-20, 但我唔知點解

2. The diagram shows a clinical thermometer
個圖係一支溫度計, 有一個constriction
a) name a suitable liquid for X
b) What is the reason for the constriction
c) explain why this type of thermometer cannot be used to take the temperature of boiling water

Please help
thx