Waves Flashcards
(32 cards)
Longitude waves
Pushing and pulling
P waves
Like sound l l l lll l l l
Transverse waves
Side to side
S waves
Like light (wavy line)
Volume
Frequency of sound
Or
Amplitude of sound
Doppler effect
refers to the change in wave frequency during the relative motion between a wave source and its observer
Wave
A transfer of energy through matter (medium)
Cycle
One complete wave
Period
The time for one complete cycle
Frequency
The # of cycles in 1 second
Measured in hertz (Hz)
Hertz
Cycles per second
Sound waves
Longitudinal
Slower than radio waves
Tsunami (seismic earthquake) is what wave in water?
L wave
Love wave
L wave
Like water
In earthquake, what seismic wave travels the slowest?
P-wave
Waves coming from a tuning fork
L-waves
Units for speed of a wave
Metres per second
Trough
Low point of wave
Meters
Midline to top of crest or bottom
Decibel (dB) mesures…
The amplitude of sound
Electromagnetic waves/spectrum
Transverse waves
Travel at the speed of light
Resonance
Ultrasound waves
Sonic boom occurs when…
An object travels faster than the speed of sound
Richter scale
Measures the size of seismic waves
Wavelength
Y upside down
Measured from crest to crest
Meters
One complete wave
Crest to crest
Or
Trough to trough
Reflection
Divide by 2
