Asked by dave
When a thermometer is placed in a beaker of hot water, WHY does the mercury level DROP, then rise?
See my answer below to the same question.
See my answer below to the same question.
Answers
Answered by
Anonymous
Mercury expands when heated and that forces it from the bulb at the thermometer base but due to the hot water the thermometer bulb expands hence heat gets transferred to the mercury making it drop
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