Physics · May / June 2022 · Paper 12 · Question 18
5054Thermal expansion of solids, liquids and gases
A liquid column in a liquid-in-glass thermometer is 2.0 cm long at 0 °C. The column expands by 10.0 cm when heated to 100 °C. [diagram of a thermometer with labels 2.0 cm, 10.0 cm, 0 °C, 100 °C, P] Measuring from P, how long is the liquid column at 30 °C?
- A2.3 cm
- B3.0 cm
- C5.0 cm
- D7.0 cm
As printed in the paper
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Correct answer: C. 5.0 cm
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