explain why a thermometer has an oval shaped glass stem
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Answered by
1
Answer:
It's often oval because this acts as a magnifying glass in one direction for easy reading of the mercury thread.
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4
Answer:
The heat brings the glass at the zone where the same is directed to flow temperature.
Explanation:
Under the influence of gravity the portion of the stem below the heated zone pulls out the heated zone forming the glass into what looks like a very thin taffy strand.
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