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1.2 Conservation and dissipation of energy

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Question 14
F

A house cools down too quickly in winter. Which change to the outside walls will reduce the rate of cooling of the house by the greatest amount?

[1]
A

walls of the same thickness made from a material of higher thermal conductivity

B

thinner walls made from a material of lower thermal conductivity than the walls now

C

thinner walls made from a material of higher thermal conductivity than the walls now

D

thicker walls made from a material of lower thermal conductivity than the walls now

Markscheme

1.2 Conservation and dissipation of energy Questions

  1. GCSE
  2. /Physics
  3. /1.2 Conservation and dissipation of energy

40 exam-style questions on AQA GCSE Physics 1.2 Conservation and dissipation of energy, covering 1.2.1 Energy transfers in a system and 1.2.2 Efficiency. Each one has a worked solution and a mark scheme showing where the marks go.

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