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14. What is the dimensionless wavenumber? 15.Do kinematic waves attenuate? 16.Do dynamic waves attenuate? 17.Do mixed kinemat

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14. The angular wavenumber may be expressed in radians per meter (rad⋅m −1), or as above, since the radian is dimensionless. For electromagnetic radiation in vacuum, wavenumber is proportional to frequency and to photon energy

15. kinematic waves do not attenuate; they simply translate downstream without dissipation. Routing of kinematic waves for those cases reduces to determining the time of travel of the wave through a reach

16. A decrease in the level of a signal is referred to as attenuation. In some cases this is unintentional, as in the attenuation caused by using wire for signal transmission. Attenuators (circuits which attenuate a signal) may also be used to lower the level of a signal in an audio system to prevent overload and distortion. Therefore Dynamic Wave can be attenuate.

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