Waves Flashcards
1
Q
wave definition
A
a repeated disturbance that spreads out and transfers energy as it moves forwards
2
Q
phase difference
A
the difference between the displacements of particles along a wave or different waves.
3
Q
phase difference equation
A
x/wavelength x 360
4
Q
period definition
A
time taken to complete one whole cycle
5
Q
what is a travelling wave
A
a disturbance which transfers energy from source to a distant point
6
Q
frequency definition
A
the number of waves passing a given point per second
7
Q
properties of waves
A
- transmitted
- reflected
- refracted
- diffracted
8
Q
what waves can be polarised
A
transverse
9
Q
what is monochromatic light
A
light of a single wavelength
10
Q
interference definition
A
the superposition of wave trains from coherent sources