Grade 10 Physical Sciences · Waves, Sound and Light
Describe the electromagnetic spectrum
Put types of electromagnetic radiation in order of frequency or wavelength, and give a use or danger of each (X-rays show bones).
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Question 3.2 · November 2023 · Paper 1 · Provincial · 3 marks
The diagram below shows the wavelengths of frequencies of different types of electromagnetic radiation. Consider the diagram and answer the questions that follow.
3.2 Name THREE other types of electromagnetic waves that have a frequency lower than that of ultraviolet light. Arrange this frequency in order of INCREASING frequency.(3)
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