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2.3.1a Thermal conductors and thermal insulators

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Question 63

A metal saucepan has a plastic handle. When the saucepan is placed on a hot stove, the metal body quickly gets hot, but the plastic handle remains cool enough to touch.

Which statement explains why the metal body gets hot quickly while the plastic handle remains cool?

A

Metals are good thermal conductors, whereas plastic is a poor thermal conductor.

B

Metals are poor thermal conductors, whereas plastic is a good thermal conductor.

C

Metals are good emitters of infrared radiation, whereas plastic is a poor emitter.

D

Metals are poor absorbers of infrared radiation, whereas plastic is a good absorber.

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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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