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2.3.4 Consequences of thermal energy transfer

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Question 8

A vacuum flask is designed to reduce the transfer of thermal energy from its hot contents to the surroundings. It consists of a double-walled glass vessel with a vacuum between the walls.

Which of the following options correctly shows how much thermal energy is transferred through the vacuum by conduction, convection, and radiation?

A

Conduction: none; Convection: none; Radiation: some

B

Conduction: none; Convection: some; Radiation: some

C

Conduction: some; Convection: none; Radiation: none

D

Conduction: some; Convection: some; Radiation: none

Markscheme

2.3.4 Consequences of thermal energy transfer Questions

  1. IGCSE
  2. /Physics
  3. /2.3.4 Consequences of thermal energy transfer

62 exam-style questions on CIE IGCSE Physics 2.3.4 Consequences of thermal energy transfer. Each one has a worked solution and a mark scheme showing where the marks go.

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