# Electromagnetic Waves. Light

The following physics revision questions are provided in support of the physics tutorial on Electromagnetic Waves. Light. In addition to this tutorial, we also provide revision notes, a video tutorial, revision questions on this page (which allow you to check your understanding of the topic) and calculators which provide full, step by step calculations for each of the formula in the Electromagnetic Waves. Light tutorials. The Electromagnetic Waves. Light calculators are particularly useful for ensuring your step-by-step calculations are correct as well as ensuring your final result is accurate.

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Waves Learning Material
Tutorial IDTitleTutorialVideo
Tutorial
Revision
Notes
Revision
Questions
11.6Electromagnetic Waves. Light

## Physics Revision Questions for Electromagnetic Waves. Light

1. An electromagnetic wave has a frequency of 4.0 × 1012 Hz. What is its wavelength in metres?

1. 7.5 millimetre
2. 1.33 millimetre
3. 75 micrometre
4. 75 millimetre

2. What kind of EM wave is a transverse wave emitted by the Sun whose wavelength is equal to 0.05 mm?

1. Visible light
3. Microwave

3. What part of EM spectrum is the visible light approximately?

1. 3/16
2. 3/160
3. 1/100
4. 3/220

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5. Continuing learning waves - read our next physics tutorial: Diffraction of Waves