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21 Cards in this Set
- Front
- Back
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Wave |
Any disturbance from an equilibrium condition which travels or propagates with time from one region in space to another |
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Mechanical waves |
Waves wherein the disturbance travel thru a material medium |
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Electromagnetic waves |
Waves wherein the disturbance travel through emptyspace |
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Matter waves |
Associated with electrons, protons and other fundamental particles and even atoms and molecules |
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Transverse waves |
The particles vibrate perpendicular to the direction of the waves |
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Longitudinal waves |
Particles vibrate parallel to the direction of waves |
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Amplitude |
Maximum displacement of a particle in the medium |
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Wavelength |
Distance between two consecutive particles which are of the same phase |
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Frequency |
No. of vibrations made by each particle per second |
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Period |
Time to complete one cycle |
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Spped of propagation |
The distance traveled by the particle in the medium per second |
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Modes |
Frequencies of waves associated with their wave patterns |
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Harmonics |
A note of which the vibration rate is a while number |
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Overtone |
A term preferred by musicians instead of harmonics |
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Vibration |
Particle undergoes to and fro motion |
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Equilibrium position |
That position of the body when forces acting on it have zero resultant |
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Restoring force |
The force that brings back the body to its equilibrium position |
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Displacement |
The distance of the body from equilibrium position at any instant |
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Amplitude |
Max displacement from equilibrium |
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One vibration |
Part of motion that is repeated |
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Angular frequency |
No. of oscillations per second |
