Question

In an mercury thermometre the level of mercury rises when its bulb comes in contact with a hot object. what is the reason for rise in the level of mercury [3 points]



please give an expert answer and give it so fast

Answer 1

In a Mercury thermometer, the level of mercury rises when it's bulb comes in contact with an hot object. This happens because mercury is semi solid in state at room temperature. When the temperature rises in the bulb of the thermometer the mercury melts and it's meter rises.