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- Grade 9 Astronomy
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9th Grade Electromagnetic Waves Quizzes , Questions & Answers

Recent Electromagnetic Waves Quizzes

The Radio Waves Quiz: How Much You Know?

How much do you know about the radio waves? Waves are types of electromagnetic radiation, and they have the longest wavelength in the electromagnetic spectrum. A radio wave is created when an electric field and magnetic field...

Questions: 19 | Attempts: 557 | Last updated: Mar 21, 2025

Sample Question
Which of the following uses radio waves to transmit information?

Garage door opener

Cell Phone

Cordless Phone

Wireless internet

All of the above

Em Spectrum - X-rays

Explore the discovery, properties, and applications of X-rays. Learn about their generation, medical uses, and how they interact with different materials.

Questions: 5 | Attempts: 280 | Last updated: Mar 21, 2025

Sample Question
X-Rays were first observed and documented by?

Wilhelm Conrad Roentgen

Tom Conrad Roentgen

Wilfred Conrad Roentgen

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