Cambridge IGCSE Physics practice

Paper 3 structured question: Radiation

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Paper

Marks

Topic

Radiation

Exam-style question

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Paper 3Theory (Core)1 marks

The role of thermal radiation in energy transfer.

Description

Thermal radiation allows energy to be transferred from the sun to the Earth without needing a medium.

a
State one characteristic of thermal radiation.
Your answer
Aim for approximately 1 distinct marking point.
[1]

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Paper 3Theory (Core)1 marks

Description

In heating systems, thermal radiation is used to transfer heat from a hot surface to the surrounding air.

a
State the type of radiation emitted by all objects.
Your answer
Aim for approximately 1 distinct marking point.
[1]