EM Waves Review
Flashcard
•
Science
•
9th Grade
•
Practice Problem
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the speed of electromagnetic waves in a vacuum?
Back
All electromagnetic waves travel at the same speed in a vacuum, which is approximately 299,792 kilometers per second (or the speed of light).
2.
FLASHCARD QUESTION
Front
What type of waves are the longest and used for communication and entertainment?
Back
Radio waves are the longest waves in the electromagnetic spectrum and are commonly used for communication and entertainment.
3.
FLASHCARD QUESTION
Front
Which waves are used to penetrate solids and are utilized in medical imaging to see bones?
Back
X-Rays are electromagnetic waves that can penetrate solids and are used in medical imaging to view bones.
4.
FLASHCARD QUESTION
Front
What part of the electromagnetic spectrum can our eyes see?
Back
Our eyes can see visible light, which is a small part of the electromagnetic spectrum.
5.
FLASHCARD QUESTION
Front
What type of waves have the longest wavelength and are used to carry signals for radar, TV, and radio?
Back
Radiowaves have the longest wavelength in the electromagnetic spectrum and are used to carry signals for radar, television, and radio.
6.
FLASHCARD QUESTION
Front
What is the electromagnetic spectrum?
Back
The electromagnetic spectrum is the range of all types of electromagnetic radiation, which includes radio waves, microwaves, infrared, visible light, ultraviolet, X-rays, and gamma rays.
7.
FLASHCARD QUESTION
Front
What are microwaves used for?
Back
Microwaves are used for various applications, including cooking food, communication (such as in cell phones), and radar technology.
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