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2.3.3a Thermal radiation

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Question 12

A student wants to investigate good and bad emitters of thermal radiation. She has the following apparatus available:

  • A small polished metal can
  • A small matte black-painted metal can of the same size and capacity
  • Two thermometers
  • A stopwatch
  • A measuring cylinder
  • A supply of hot water

Explain how the student could use this apparatus to carry out her investigation.

In your explanation, you should:

  1. Describe the experimental procedure to be followed.
  2. State two control variables needed to ensure a fair test.
  3. Describe the expected results and what they show about emission of thermal radiation.
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2.3.3a Thermal radiation Questions

  1. IGCSE
  2. /Physics
  3. /2.3.3a Thermal radiation

99 exam-style questions on CIE IGCSE Physics 2.3.3a Thermal radiation. Each one has a worked solution and a mark scheme showing where the marks go.

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