Higher Only
Different materials behave differently when interacting with electromagnetic radiation. Figure 1 shows three different processes occurring in which electromagnetic radiation is incident on a surface.
Figure 1
Complete the sentences.Â
Choose answers from the box.Â
Each answer can be used once, more than once or not at all.
Transmission | Reflection | Absorption |
Â
  Â
A shows the process of ..............................
 Â
B shows the process of ..............................
 Â
C shows the process of ..............................
Figure 2 lists different coloured materials and processes that occur when electromagnetic radiation is incident on these materials.
Figure 2
Draw four lines between the coloured materials and the process which they best perform.
Each colour may be used once, more than once or not at all.
Describe the relationship between temperature of a body and the peak intensity of radiation it emits.Â
Describe the relationship between temperature of a body and the wavelength of the peak intensity of radiation it emits.Â
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