Science test revision Flashcards
State the name of two types of waves
transverse, longitudinal
Examples of transverse waves are:
Water, electromagnet waves, s-waves
Examples of longitudinal waves are:
sound, ultrasound, p-waves
State the direction of vibration and the direction of energy transfer for a transverse wave
Direction of vibration is perpendicular to direction of energy transfer.
Displacement of wave from rest position to crest or trough
Amplitude
Number of complete waves passing a point per second
Frequency
The length of one complete wave cycle
Wavelength
Units of frequency and wavelength
Hertz and Metres
State the equation that links velocity frequency and wavelength
Velocity = frequency x wavelength
State the equation to determine period or frequency
period = 1/frequency
State the equation that links wave speed, distance and time
Speed = distance/time
State 4 behaviours waves exhibit when crossing a boundary
Absorbed, transmitted, reflected and refracted.
When energy is absorbed by a material it is most likely transferred into which energy store?
Thermal
Wave behaviour is dependant on?
Wavelength and the medium it is passing through.
A wave hitting a boundary at an angle bends, it changes speed causing a change in direction.
refraction
