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Waves

These flashcards cover key concepts from the Waves unit. (AKS 9a-9b)

QuestionAnswer
What is amplitude? Height of a wave from rest position.
What does amplitude show? The wave’s energy.
What is wavelength? Distance between two corresponding parts of a wave.
What is frequency? Number of waves that pass a point in one second.
Frequency unit? Hertz (Hz).
How are frequency and wavelength related? Higher frequency = shorter wavelength.
What is a mechanical wave? A wave that needs a medium to travel.
Examples of mechanical waves? Sound waves, water waves.
What is a transverse wave? A wave where particles move up and down.
Parts of a transverse wave? Crest, trough, wavelength, amplitude.
What is a longitudinal wave? A wave where particles move back and forth.
Parts of a longitudinal wave? Compression and rarefaction.
Is sound transverse or longitudinal? Longitudinal.
What type of wave doesn't need a medium? Electromagnetic wave.
Two main wave types by movement? Mechanical and electromagnetic.
Created by: mswestclassroom
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