Question

level of mercury rises when the bulb of thermometer comes in contant with a hot object​

Answer 1

Answer:

The reason of rise level of Mercury is as mercy expand in contact with heat. When we put the mercy thermometer the bottom of the bulb in hot object the heat is transfer to the mercy and it expand and rise.

Answer 2

Answer:

The reason of rise level of Mercury is as mercy expand in contact with heat. When we put the mercy thermometer the bottom of the bulb in hot object the heat is transfer to the mercy and it expand and rise