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1.2 Conservation and dissipation of energy

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Question 2
F

Table shows the thickness and the thermal conductivity of the outside walls of four buildings. The four buildings are identical in every other way. Which building will cool most slowly?

Table: The thickness and the thermal conductivity of the outside walls of four buildings

BuildingThickness of wall in cmThermal conductivity in W/m ∘C\text{W/m}\ ^\circ\text{C}W/m ∘C
W100.20
X200.60
Y300.20
Z150.80
[1]
A

Building W

B

Building X

C

Building Y

D

Building Z

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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