Waves Flashcards
What are sounds caused by?
Vibrations
Fast vibrations have a ??? pitch
High pitch
Slow vibrations have a ??? pitch
Low pitch
High pitched sounds vibrate at a ??? speed
Fast speed
Low pitched sounds vibrate at a ??? speed
Slow speed
What is the frequency of a wave?
The number of waves that pass a certain point in a second
What is frequency measured in?
Hertz (Hz)
What is a transverse wave?
A wave where the particles oscillate perpendicular to the direction the wave travels
What is a longitudinal wave?
A wave where the particles oscillate parallel to the direction the wave travels
What is the peak of a wave?
The highest point of a wave
What is the trough of a wave?
The lowest point of the wave
What is the highest point of the wave called?
The peak/crest
What is the lowest point of the wave called?
The trough
Increasing the energy of the wave will increase its ???
Amplitude
What is the amplitude of a wave?
The largest displacement of a particle in a wave from its centre of oscillation