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A-LevelPhysicsWaves9702/12 · Oct/Nov 2020 · Q261 Mark

Part of the electromagnetic spectrum is shown. [Figure 26.1] What is the name of the shaded region and what is the order of magnitude of a wavelength of a wave from this region?

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Aname: infrared, wavelength /m: 10⁻⁵

Bname: infrared, wavelength /m: 10⁻⁸

Cname: ultraviolet, wavelength /m: 10⁻⁵

Dname: ultraviolet, wavelength /m: 10⁻⁸

✓ Correct answer

A: name: infrared, wavelength /m: 10⁻⁵

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About this question

Topic: Waves, A-Level Physics (syllabus 9702). Multiple choice, 1 mark.
Source: A-Level Physics, Oct/Nov 2020 Paper 1 Variant 2, question 26.

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