8th Grade Unit 4 Waves
Flashcard
•
Chemistry, Physics
•
8th Grade
•
Practice Problem
•
Hard
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1.
FLASHCARD QUESTION
Front
What is fiber optics?
Back
Fiber optics is a technology that uses thin strands of glass to transmit information as pulses of light.
2.
FLASHCARD QUESTION
Front
What must information be converted to for fiber optic transmission?
Back
Information must first be converted to a digital signal.
3.
FLASHCARD QUESTION
Front
What defines a wave?
Back
A wave is defined by its repeating pattern, which includes specific wavelength, frequency, and amplitude.
4.
FLASHCARD QUESTION
Front
What is wavelength?
Back
Wavelength is the distance between two consecutive points of a wave that are in phase, such as crest to crest or trough to trough.
5.
FLASHCARD QUESTION
Front
What is frequency?
Back
Frequency is the number of waves that pass a given point in one second, measured in hertz (Hz).
6.
FLASHCARD QUESTION
Front
What is amplitude?
Back
Amplitude is the maximum distance that points on a wave move from their rest position, indicating the energy of the wave.
7.
FLASHCARD QUESTION
Front
What is energy in the context of waves?
Back
Energy in waves is related to the amplitude; higher amplitude means more energy.
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