Question

4.In a mercury thermometer, the level of mercury rises when its bulb

comes in contact with a hot object. What is the reason for this rise in the

level of mercury?​

Answer 1

Answer:

Mercury gets expanded on heating, hence its level rises in the capillary when comes in contact with a hot object.

Answer 2

Answer:

expands.

Explanation:

Just because the heat gets transfer from the body to the thermometer it expands and mercury in the bulb rises up.

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