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2.3.2 Convection

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Question 42

Which row in the table correctly describes how cooling changes the density of air, and identifies the method of thermal energy transfer caused by this density change?

Density of airMethod of energy transferAdecreasesconductionBdecreasesconvectionCincreasesconductionDincreasesconvection \begin{array}{|c|c|c|}\hline & \text{Density of air} & \text{Method of energy transfer} \\ \hline \text{A} & \text{decreases} & \text{conduction} \\ \hline \text{B} & \text{decreases} & \text{convection} \\ \hline \text{C} & \text{increases} & \text{conduction} \\ \hline \text{D} & \text{increases} & \text{convection} \\ \hline \end{array} ABCD​Density of airdecreasesdecreasesincreasesincreases​Method of energy transferconductionconvectionconductionconvection​​
A

Row A

B

Row B

C

Row C

D

Row D

Markscheme

2.3.2 Convection Questions

  1. IGCSE
  2. /Physics
  3. /2.3.2 Convection

73 exam-style questions on CIE IGCSE Physics 2.3.2 Convection. Each one has a worked solution and a mark scheme showing where the marks go.

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