2006-07-14 06:42:23 · 4 answers · asked by angel55_star 1 in Science & Mathematics ➔ Physics
If it is heated fast the glass heats up before the mercury and expands so the level of mercury may actually drop before the heat reaches the mercury.
2006-07-14 07:04:04 · answer #1 · answered by Robert A 5 · 0⤊ 0⤋
Because the glass is also being heated, since it puts pressure on the mercury, the glass tends to be looser because of the heat so the mercury loosens up a bit so it goes down and when the heat gets high the murcury goes up.
2006-07-14 13:47:20 · answer #2 · answered by sayeda_candy 2 · 0⤊ 0⤋
When u heat the arrangement, the glass gets heated too. Glass being a poor conductor of heat does not transmit the heat immediately to the Hg but expands itself in the beginning. Then heat conduction takes over and since Hg has a higher coeffn of expn, its expn begins to override the expn of the glass.
2006-07-14 14:08:38 · answer #3 · answered by Anonymous · 0⤊ 0⤋
it can be the glass but it is a very sensitive expeiment, did you acualy see it if so it is somting else or you have a veri bad termometer. Actualy if you whant to mesuer with it you should wait enought for the termomiter to stop rising. Do not get fol by the importance of the experiment, it is noting, persomaly i belive this dose not exists
2006-07-21 06:08:01 · answer #4 · answered by aristidetraian 4 · 0⤊ 0⤋