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2.2.1 Thermal expansion of solids, liquids and gases

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Question 22

Here are three statements about the calibration of a liquid-in-glass thermometer to define a Celsius scale:

  1. The lower fixed point of 0∘C0^\circ\text{C}0∘C is the temperature of melting pure ice at standard atmospheric pressure.
  2. The upper fixed point of 100∘C100^\circ\text{C}100∘C is the temperature of steam above pure boiling water at standard atmospheric pressure.
  3. Calibrating the scale by dividing the distance between the two fixed points into equal divisions assumes that the liquid expands uniformly with temperature.

Which statements are correct?

A

1 and 2 only

B

2 and 3 only

C

1 and 3 only

D

1, 2 and 3

Markscheme

2.2.1 Thermal expansion of solids, liquids and gases Questions

  1. IGCSE
  2. /Physics
  3. /2.2.1 Thermal expansion of solids, liquids and gases

96 exam-style questions on CIE IGCSE Physics 2.2.1 Thermal expansion of solids, liquids and gases. Each one has a worked solution and a mark scheme showing where the marks go.

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