Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
12 Cards in this Set
- Front
- Back
- 3rd side (hint)
|
Principle of Superposition |
The resultant displacement at any point where 2 waves meet is the vector sum of their individual displacements |
Vector sum |
|
|
Transverse Wave |
Wave particles oscillate in a line perpendicular to the direction of wave velocity |
Perpendicular |
|
|
Longitudinal Wave |
Particles oscillate in a line parallel to the direction in which the wave energy is travelling |
Parallel |
|
|
Diffraction |
Change of shape/spreading out of a wavefront when the wave travels through an aperture around one wavelength in size |
Aperture, curve, wavefront |
|
|
Amplitude |
The amplitude of an oscillating system is the maximum displacement from the undisturbed position |
Displacement, undisturbed |
|
|
Period |
The period of an oscillating system is the time taken for one complete cycle |
Time, complete |
|
|
Frequency |
The frequency of an oscillating system is the number of complete cycles per unit time |
Complete, unit |
|
|
Phase |
If 2 particles are oscillating in phase they will reach the same point of their respective cycles at the same time - includes every particle within one loop of a standing wave |
Cycles, same point, standing |
|
|
Wavelength |
The shortest distance along the length of the wave profile between two particles that are vibrating in phase |
Profile, distance, phase |
|
|
Velocity |
Distance travelled per unit time by the wave profile. Can be found via d = st |
Distance, time, profile |
|
|
Wavefront |
A wavefront is a continuous line of surface which joins all ADJACENT particles which are vibrating IN PHASE. They are drawn at right angles to the wave direction |
Continuous, adjacent, particles, phase |
|
|
Interference |
Interference occurs due to the superposition of two different wavefronts from coherent sources |
Superposition, wavefronts, coherent |
