
Flashcard on Radio Waves
Flashcard
•
History
•
Professional Development
•
Practice Problem
•
Hard
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12 questions
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1.
FLASHCARD QUESTION
Front
What are radio waves?
Back
Electromagnetic waves with long wavelengths and low frequencies
2.
FLASHCARD QUESTION
Front
Who discovered radio waves?
Back
Heinrich Hertz
3.
FLASHCARD QUESTION
Front
What is the primary use of radio waves in communication?
Back
Broadcasting audio and video wirelessly
4.
FLASHCARD QUESTION
Front
Which device converts electrical energy into radio waves?
Back
Transmitter
5.
FLASHCARD QUESTION
Front
Which type of modulation varies the amplitude of radio waves?
Back
Amplitude Modulation (AM)
6.
FLASHCARD QUESTION
Front
What is a major challenge of using radio waves for communication? Options: They cannot travel through vacuum., Signal interference., High cost of generating radio waves., Inability to transmit sound.
Back
Signal interference.
7.
FLASHCARD QUESTION
Front
Which characteristic describes high-frequency radio waves?
Back
They have higher energy and carry more data.
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