CAIE IGCSE Physics 2.3.3.8 Experiments to Distinguish Between Questions

Practise comparing infrared absorption with matched black and shiny cans, controlled variables and thermometer rises using CAIE IGCSE Physics questions and mark schemes.

Exam points

Compare infrared absorption with matched black and shiny cans, equal water volumes and controlled distance, temperature and heating.

[Maximum number: 4]

A student wants to investigate good and bad absorbers of thermal radiation. She has the apparatus shown in Fig. 5.1, a supply of cold water and a metre rule.

Fig. 5.1

Explain how the student could use the apparatus she has available to carry out her investigation. Describe the results she would expect to obtain. Draw a diagram of the set-up.

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CAIE IGCSE Physics 2.3.3.8 Experiments to Distinguish Between Questions question 1