O-LevelPhysicsThermal Physics5054/11 · May/June 2023 · Q181 Mark

A house is to be thermally insulated to reduce thermal energy loss and reduce fuel costs. Which type of thermal insulation pays back the cost of installation in the shortest time?

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Acavity wall insulation

Bdouble glazing

Cdraught proofing

Dloft insulation

✓ Correct answer

D: loft insulation

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Topic: Thermal Physics, O-Level Physics (syllabus 5054). Multiple choice, 1 mark.
Source: O-Level Physics, May/June 2023 Paper 1 Variant 1, question 18.

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