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2.2 Thermal properties and temperature

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Question 223

A liquid-in-glass Celsius thermometer has a scale that ranges from −20∘C-20^\circ\text{C}−20∘C to 115∘C115^\circ\text{C}115∘C.

What are the values of the lower fixed point and the upper fixed point of the Celsius scale?

A

Lower fixed point: −20∘C-20^\circ\text{C}−20∘C, Upper fixed point: 100∘C100^\circ\text{C}100∘C

B

Lower fixed point: −20∘C-20^\circ\text{C}−20∘C, Upper fixed point: 115∘C115^\circ\text{C}115∘C

C

Lower fixed point: 0∘C0^\circ\text{C}0∘C, Upper fixed point: 100∘C100^\circ\text{C}100∘C

D

Lower fixed point: 0∘C0^\circ\text{C}0∘C, Upper fixed point: 115∘C115^\circ\text{C}115∘C

Markscheme

2.2 Thermal properties and temperature Questions

  1. IGCSE
  2. /Physics
  3. /2.2 Thermal properties and temperature

528 exam-style questions on CIE IGCSE Physics 2.2 Thermal properties and temperature, covering 2.2.1 Thermal expansion of solids, liquids and gases, 2.2.2a Internal energy and temperature, 2.2.2b Specific heat capacity, 2.2.3a Melting, boiling, condensation and solidification, 2.2.3b Evaporation, and 2.2.3c Cooling by evaporation. Each one has a worked solution and a mark scheme showing where the marks go.

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