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2.3.1a Thermal conductors and thermal insulators

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Question 36

Four rods of equal length and diameter are made of different metals, A, B, C, and D. One end of each rod is heated in the same way. The table below shows the time taken for the temperature at the other end of each rod to rise by $2.0∘C2.0^\circ\text{C}$ .

Metal	Time taken / s
A	120
B	85
C	150
D	95

Which metal is the poorest conductor of thermal energy?

metal A

metal B

metal C

metal D

Markscheme

2.3.1a Thermal conductors and thermal insulators Questions

IGCSE
Physics
2.3.1a Thermal conductors and thermal insulators

67 exam-style questions on CIE IGCSE Physics 2.3.1a Thermal conductors and thermal insulators. Each one has a worked solution and a mark scheme showing where the marks go.

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