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Power and efficiency

Power and efficiency

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Question 18

A scientist is designing a container to cool hot samples down as rapidly as possible.

Which row in the table describes the walls of a container with the highest rate of thermal energy transfer?

Thickness of wallsThermal conductivity of walls
AThickHigh
BThickLow
CThinHigh
DThinLow
A

Row A

B

Row B

C

Row C

D

Row D

Markscheme

Power and efficiency Questions

  1. GCSE
  2. /Physics
  3. /Power and efficiency

37 exam-style questions on OCR GCSE Physics Power and efficiency. Each one has a worked solution and a mark scheme showing where the marks go.

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