Unit 7 Waves (2024)
Flashcard
•
Physics
•
12th 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 align crest to trough, resulting in a smaller or zero-amplitude wave.
2.
FLASHCARD QUESTION
Front
What is the formula to calculate wave speed?
Back
Wave speed (v) = frequency (f) × wavelength (λ).
3.
FLASHCARD QUESTION
Front
If a wave has a frequency of 2 Hz and a wavelength of 7 m, what is its speed?
Back
14 m/s.
4.
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.
5.
FLASHCARD QUESTION
Front
What is the amplitude of a wave if it reaches a maximum height of 3 units?
Back
3 units.
6.
FLASHCARD QUESTION
Front
What is a wave?
Back
A wave is a disturbance that transfers energy from one place to another.
7.
FLASHCARD QUESTION
Front
What is the difference between constructive and destructive interference?
Back
Constructive interference occurs when waves align crest to crest, increasing amplitude; destructive interference occurs when waves align crest to trough, decreasing amplitude.
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