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2.3.1a Thermal conductors and thermal insulators

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Question 21

A student has an aluminium rod and a plastic rod. Both rods have the same dimensions.

The student puts one end of each rod into a beaker of hot water.

After a few minutes, the student touches the ends not in the water.

Which statement is correct?

A

The aluminium rod feels hotter than the plastic rod because aluminium is a better thermal conductor than plastic.

B

The aluminium rod feels colder than the plastic rod because aluminium is a better thermal conductor than plastic.

C

The plastic rod feels hotter than the aluminium rod because plastic is a better thermal conductor than aluminium.

D

The plastic rod feels colder than the aluminium rod because plastic is a better thermal conductor than aluminium.

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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