P1 - Topic 1 - Waves Flashcards
What is wavelength?
The distance from one peak to the next
What is frequency?
How many complete waves there are per second - measured in hertz
What is amplitude?
The height of the wave
What is speed?
How fast it goes
What do waves transfer and not transfer?
Transfer: information and energy
Don’t transfer: matter
How do you work out speed?
Distance % time
What is wave speed measured in?
m/s
What is distance measured in?
m
What is the measured in?
s
How do you work out wavelength?
Speed % frequency
What can waves be?
Transverse or longitudinal
What are most waves?
Transverse
Is light and all EM waves transverse or longitudinal?
Transverse
Are s-waves transverse or longitudinal?
Transverse
What do all waves have?
Wave length
Frequency
Amplitude
Speed
Waves on string and springs are transverse or longitudinal?
Transverse
Ripples on water are longitudinal or transverse?
Transverse
In transverse waves the vibrations are ….
At 90* to the direction of travel of the wave
Transverse waves - the vibrations are from
Side to side
What are 3/4 e maples of longitudinal waves?
Sound and ultrasound
P-waves
A slinky spring when you push and pull the end
If 2 waves pass per second what is the frequency?
2 hertz (Hz)
What is frequency measured in?
Hz (hertz)
In longitudinal waves the vibrations are …
Along the same direction as the wave is travelling
What do oscilloscopes show?
Things as transverse waves - even sound
