O-LevelPhysicsLight5054/22 · May/June 2016 · Q66 Marks
Fig. 6.1 shows some of the colours in the visible part of the electromagnetic spectrum.
- (a)(i)State which colour in Fig. 6.1 has the largest wavelength,[1]
- (a)(ii)State which colour in Fig. 6.1 has the highest frequency.[1]
- (b)Visible light, infra-red, ultra-violet and radio waves are four components of the electromagnetic spectrum. State two other components of the electromagnetic spectrum and describe a different use that is made of each component. 1. component description of use 2. component description of use[4]
This question uses a diagram from the original paper, which isn't shown here. Open the full paper from the past papers archive to see it.
Mark scheme
Marking points from the official mark scheme (May/June 2016). The mark or mark type is shown in brackets.
- [1] red
- [1] blue
- [2] Microwaves; use – satellite television, telephone, mobile/cell phones; cooking, heating in a microwave oven, television remote, radar, communication
- [2] X(-rays); use – hospital use in medical imaging or security imaging, killing cancerous cells, and engineering applications such as detecting cracks in metal, crystallography
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