11th Grade Electromagnetic Waves Quizzes, Questions & Answers

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Take this Light and Electromagnetic Waves Quiz

Take This Light And Electromagnetic Waves Quiz

Have you studied light and electromagnetic waves? Take this light and electromagnetic waves quiz to see how well you understand these topics. Do you know everything about the waves and types of waves? With this quiz, you can...

Questions: 10 | Attempts: 70 | Last updated: Apr 15, 2025

Sample Question 1
Which statement accurately describes a step in the generation of electromagnetic waves?

A changing current I creates a changing magnetic field B, which induces an electric field E.

A moving charge q creates a constant current I , which then creates a changing magnetic field B.

A changing current I creates a constant magnetic field B, which in turn creates an opposing current I’.

A changing magnetic field B creates an induced constant current I or EMF, which then creates an opposing magnetic field B’.

Sample Question 2
A soap bubble that is 250 nm thick is illuminated by white light, and the refraction index of the soap film is 1.36. Which colors appear strong in the reflected light?

Red (620-750 nm)

Blue (450-495 nm)

Yellow (570-590 nm)

Orange (590-620 nm)

Sample Question 3
What is the thickness of an anti-reflective coating (n = 1.3) that is put on a lens (n = 1.5) to minimize reflection at a wavelength of 550 nanometers?

68 nm

106 nm

275 nm

550nm