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CAIE IGCSE Physics 2.2.1.2 Some of the Everyday Applications and Questions

Practise explaining thermal expansion and optimising thermometer sensitivity and range through design choices with CAIE IGCSE Physics questions and mark schemes.

Syllabus
2026–2028
Course
Physics 0625

Exam points

  • Explain thermal expansion and optimise thermometer sensitivity and range through design choices.

CAIE IGCSE Physics 2.2.1.2 Some of the Everyday Applications and Questions question 1

[Maximum number: 1]

Solids expand when heated and contract when cooled.
In which example is there a useful application of expansion and not an unwanted effect?

A

bridges

B

railway lines

C

telephone cables

D

thermostats

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