what do you know about traveling waves, with an example ? ( Physics 212)
Transverse Waves
For transverse waves the displacement of
the medium is perpendicular to the
direction of propagation of the wave. A
ripple on a pond and a wave on a string
are easily visualized transverse waves.
Transverse waves cannot propagate in a
gas or a liquid because there is no
mechanism for driving motion
perpendicular to the propagation of the
wave.
Longitudinal Waves
In longitudinal waves the displacement of
the medium is parallel to the propagation
of the wave. A wave in a "slinky" is a
good visualization. Sound waves in air are
longitudinal waves......
.
transverse waves.:- sesmic waves
longitudinal waves :- sound waves
it is accompanied with the transfer of energy, it may be possible that the medium in which it travels may get displaced by a small amount. usually there are two types of waves based on oscillation of medium particles
1. transverse waves - in which the medium particles oscillate perpendicular to the wave propagation. eg- waves on string
2. longitudinal waves- in which oscillations are parallel to the wave propagation, eg- sound waves
the two
the two main form of waves are:
1 mechanical- these waves propagate through a medium, and the substance of this medium is deformed. The deformation reverses itself owing to restoring forces resulting from its deformation. For example, sound waves
2. Electromagnetic waves - they do not require a medium to travel and hence they can travel trough vaccum. eg- radiowaves, microwaves, light from the sun
wave equation describes the motion of waves, it also sets out how the disturbance proceeds over time. The mathematical form of this equation varies depending on the type of wave.
One can very well relate the wave motion with persons standing in queue. if a person standing at last falls then step by step the next person falls and then the one standing in front of him and so on. thus disturbance in form of energy is transferred from last to front.
the various characteristics of waves are :
1. wave velocity
2. particle velocity
3. wavelength
4. amplitude
5. phase velocity
what do you know about traveling waves, with an example ? ( Physics 212)
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