Physics 5054 · O Level · Thermal expansion of solids, liquids and gases

Thermal expansion of solids, liquids and gases — practice question

A liquid-in-glass thermometer has a bulb filled with a liquid that expands into a narrow capillary tube. The liquid inside the thermometer is changed to a different liquid with the same volume, but this new liquid expands more for the same increase in temperature. The capillary tube is kept the same length. How does the new thermometer compare with the old thermometer?

  • AIt has greater sensitivity and a greater range.
  • BIt has greater sensitivity but a smaller range.
  • CIt has the same sensitivity and the same range.
  • DIt has the same sensitivity but a greater range.

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