Sound Waves
Flashcard
•
Physics, Science
•
9th Grade
•
Practice Problem
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is Destructive Interference?
Back
Destructive Interference occurs when two waves meet and cancel each other out, resulting in a smaller amplitude or no wave at all.
2.
FLASHCARD QUESTION
Front
What is a rarefaction in a longitudinal wave?
Back
A rarefaction is a part of a longitudinal wave where the particles are spread apart, creating a region of lower pressure.
3.
FLASHCARD QUESTION
Front
What does it mean to diffract?
Back
To diffract means to bend waves around an object or through an opening, such as sound waves bending around a doorway.
4.
FLASHCARD QUESTION
Front
How does pitch relate to wavelength and frequency?
Back
The higher the pitch, the shorter the wavelength and the higher the frequency.
5.
FLASHCARD QUESTION
Front
What is pitch?
Back
Pitch is how high or low a sound is, determined by the frequency of the sound wave; higher frequency means higher pitch.
6.
FLASHCARD QUESTION
Front
What is a compression in a longitudinal wave?
Back
A compression is a part of a longitudinal wave where the particles are close together, creating a region of higher pressure.
7.
FLASHCARD QUESTION
Front
What is the relationship between frequency and amplitude?
Back
Frequency refers to how often a wave cycles per second, while amplitude refers to the height of the wave; they are independent properties.
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