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Physics · May / June 2017 · Paper 12 · Question 24

5054Thermal expansion of solids, liquids and gases

The bulbs of the four thermometers shown all contain mercury. Which thermometer is the most sensitive?

  1. Asmall bulb, narrow tube
  2. Blarge bulb, wide tube
  3. Csmall bulb, wide tube
  4. Dlarge bulb, narrow tube

As printed in the paper

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Correct answer: D. large bulb, narrow tube

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