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CAIE IGCSE Physics 2.3.3.3 Effect of Surface Colour Black or Questions

Practise applying dull, black, shiny and light surface properties to absorption, emission, reflection and thermal-loss contexts with CAIE IGCSE Physics questions and mark schemes.

Syllabus
2026–2028
Course
Physics 0625

Exam points

  • Apply surface properties: dull black surfaces absorb and emit well, while shiny light surfaces reflect and reduce thermal transfer.

CAIE IGCSE Physics 2.3.3.3 Effect of Surface Colour Black or Questions question 1

[Maximum number: 1]

In countries where it is usually hot, houses are often painted white.
What is the reason for this?

A

White surfaces are good reflectors of infrared radiation.

B

White surfaces are good conductors of infrared radiation.

C

White surfaces are good absorbers of infrared radiation.

D

White surfaces are good emitters of infrared radiation.

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