Waves

Flashcard
•
Physics
•
8th Grade
•
Hard
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a wave?
Back
A wave is a disturbance that transfers energy through space or matter, typically characterized by its amplitude, wavelength, frequency, and speed.
2.
FLASHCARD QUESTION
Front
What are the main types of waves?
Back
The main types of waves are mechanical waves (which require a medium, like sound waves) and electromagnetic waves (which do not require a medium, like light waves).
3.
FLASHCARD QUESTION
Front
What is amplitude in the context of waves?
Back
Amplitude is the maximum displacement of points on a wave from its rest position, which determines the wave's height.
4.
FLASHCARD QUESTION
Front
What is wavelength?
Back
Wavelength is the distance between two consecutive points that are in phase on a wave, such as from crest to crest or trough to trough.
5.
FLASHCARD QUESTION
Front
What is frequency?
Back
Frequency is the number of complete wave cycles that pass a given point in one second, measured in hertz (Hz).
6.
FLASHCARD QUESTION
Front
How is wave speed calculated?
Back
Wave speed is calculated using the formula: speed = frequency × wavelength.
7.
FLASHCARD QUESTION
Front
What is a crest in a wave?
Back
A crest is the highest point of a wave, representing the maximum displacement above the rest position.
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