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2.3.1a Thermal conductors and thermal insulators

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Question 19

On a warm day, a metal handrail and a wooden handrail are both at the same temperature of 40∘C40^\circ\text{C}40∘C. When touched, the metal handrail feels much hotter than the wooden handrail.

Which statement explains this observation?

A

Metal is a worse thermal conductor than wood.

B

Metal is a better thermal conductor than wood.

C

Metal is a worse absorber of infra-red radiation than wood.

D

Metal is a better absorber of infra-red radiation than wood.

Markscheme

2.3.1a Thermal conductors and thermal insulators Questions

  1. IGCSE
  2. /Physics
  3. /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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