Waves

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Waves Ms. Juanita Larraín- Linton

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Transcript of Waves

Waves

Ms. Juanita Larraín-Linton

Two types of waves

Transverse waves

“Up and down”: oscillations

Transverse waves

Transverse waves

Longitudinal waves

“Back and forth”

rarefraction

compression

Longitudinal waves

Wavefronts

Wavefronts

Each line is a compression

Wavefronts

Each line is a peak (or crest)

Describing waves

Speed

Frequency

Wavelength

Amplitude

Speed

How fast a wave moves

UNIT: m / s

Frequency

How many waves pass through a certain point per second

UNIT: Hz (hertz)

Wavelength

Distance between wavefronts (peaks or compressions)

UNIT: m

Amplitude

Refers to the magnitude of the wave

How “high” a peak is

Period

How long one wave cycle is (UNIT: s)

UNIT: s

Period and frequency

Period: how long it takes one wave to cycle

Frequency: how many waves pass through one point in a second

T = 1 / f

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