state the physical property which varies with temperature in a liquid glass thermometer
Question
State the physical property which varies with temperature in a liquid glass thermometer
Solution
The physical property that varies with temperature in a liquid glass thermometer is the volume of the liquid. Here are the steps explaining how it works:
- The liquid inside the thermometer, usually mercury or colored alcohol, expands when heated.
- As the temperature increases, the liquid expands and rises in the narrow tube of the thermometer.
- The level of the liquid in the tube corresponds to the temperature, which can be read off the scale on the thermometer.
- When the temperature decreases, the liquid contracts and the level in the tube falls.
- The thermometer is calibrated, usually in degrees Celsius or Fahrenheit, to indicate the temperature corresponding to the level of the liquid.
So, the physical property that changes with temperature in a liquid glass thermometer is the volume of the liquid.
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