
Electromagnetic Spectrum

Flashcard
•
Science
•
8th Grade
•
Hard
Wayground Content
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15 questions
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1.
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.
2.
FLASHCARD QUESTION
Front
What is the relationship between frequency and wavelength in electromagnetic waves?
Back
High frequency waves have short wavelengths, while low frequency waves have long wavelengths.
3.
FLASHCARD QUESTION
Front
Which type of electromagnetic radiation has the highest frequency?
Back
Gamma rays have the highest frequency and the shortest wavelength in the electromagnetic spectrum.
4.
FLASHCARD QUESTION
Front
What type of signal is characterized by continuous changes in amplitude and frequency?
Back
An analog signal is characterized by continuous changes in amplitude and frequency.
5.
FLASHCARD QUESTION
Front
What type of signal is represented by discrete values or levels?
Back
A digital signal is represented by discrete values or levels.
6.
FLASHCARD QUESTION
Front
What is the primary use of X-rays in medicine?
Back
X-rays are primarily used for medical imaging to diagnose health issues in bones and teeth.
7.
FLASHCARD QUESTION
Front
Which type of electromagnetic radiation is used in remote controls?
Back
Infrared radiation is commonly used in remote controls.
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