Waves (Seneca) Flashcards
Waves transfer energy from …
one place to another without transferring matter.
Wave motion (the movement of waves) can be shown by the …
vibrations of a spring or by water waves.
When a wave travels along the surface of the water, a cork floating on the surface of the water will only …
move up and down as the wave passes.
Wave speed =
frequency × wavelength
Frequency of a wave =
1 / time period
Wave frequency =
number of oscillations / time
number of oscillations / time
= wave frequency
The amplitude of a wave is the …
largest distance that a point on the wave moves from its rest position.
The wavelength is the …
distance between two adjacent wavefronts.
A transverse wave causes the particles in the medium (the substance that the wave travels through) to …
vibrate at right angles to the direction of the wave’s motion.
At what angle do the particles move relative to a transverse wave’s direction?
90 degrees (right angle)
Examples of longitudinal waves are …
sound waves
In what position do particles end up after a transverse wave has passed?
Same position
Water waves can be set up in a ———- , where a rod at one end of a tank of water creates a series of ripples.
Ripple Tank
Water waves can be set up in a Ripple Tank, where a …
rod at one end of a tank of water creates a series of ripples.
bright light shone through the water onto a sheet of paper shows the ripples on the water very clearly as a series of parallel lines travelling along with constant speed.
These parallel lines are the peaks of the ripples on the water. We call them …
wavefronts
What is the distance between two wavefronts?
Wavelength
The wave speed (metres per second, ms-1) of a wave is equal to …
its frequency (Hertz, Hz) multiplied by its wavelength (metres, m).
A longitudinal wave causes the medium’s particles to …
vibrate in the same direction as the wave’s motion.
Here are some example of longitudinal waves:
- Sound waves
- P-waves
A bright light shone through the water onto a sheet of paper shows the ripples on the water very clearly as a series of ———— lines travelling along with constant speed.
parallel
When waves travel from one medium to another, their speed and wavelength change but their ——— stays the same.
frequency
When waves travel from one medium to another, their ————- change but their frequency stays the same.
speed and wavelength
The speed of a wave changes when it travels from …
one medium to another.