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What is the principle behind a thermometer?
What is the principle behind a thermometer?
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Practice Questions
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Q1
What is the principle behind a thermometer?
Expansion of liquid with temperature
Contraction of gas with temperature
Change in color with temperature
Change in pressure with temperature
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Thermometers work on the principle of expansion of liquid (like mercury) with temperature.
Questions & Step-by-step Solutions
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Q
Q: What is the principle behind a thermometer?
Solution:
Thermometers work on the principle of expansion of liquid (like mercury) with temperature.
Steps: 5
Show Steps
Step 1: Understand that a thermometer measures temperature.
Step 2: Know that temperature is related to how fast particles move in a substance.
Step 3: Learn that when a liquid (like mercury) gets warmer, it expands and takes up more space.
Step 4: Realize that the thermometer has a scale that shows the temperature based on how much the liquid expands.
Step 5: Remember that when the temperature goes down, the liquid contracts and takes up less space.
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