PHY..............

2 ) Use thinner glass for the bulb
3 ) Use a glass tube with smaller diameter

2006-12-25 13:21:15 補充：
smaller diameter 係入面空心ge tube而唔係成枝thermometer wor~~^^

2006-12-25 13:22:26 補充：
sorry ar如果係3揀1咁係2 ) Use thinner glass for the bulbla~我get錯左3 ) Use a glass tube with smaller diameterge mean

2006-12-25 13:24:09 補充：
2 ) Use thinner glass for the bulbalthough glass is a good conductor of heat, there's still some heat loss and the glass will absorb some of the heatso thinner glass for bulb can reduce the loss of heat and make the reading more accurate