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The longitudinal waves in an earthquake are called pressure waves (P-waves) and the transverse waves are called shear waves (S-waves). These two types of waves propagate at different speeds, and the speed at which they travel depends on the rigidity of the medium through which they are traveling.
Longitudinal Wave Formula. \ (\begin {array} {l}y (x,t)=y_ {0}cos [\omega (t-\frac {x} {c})]\end {array} \) Where, y is the displacement of the point on the travelling sound wave. x is the distance the point travelled from the wave’s source. t is the time elapsed. y 0 is the amplitude of the oscillations.
The amplitude of a wave refers to the maximum amount of displacement of a particle on the medium from its rest position. In a sense, the amplitude is the distance from rest to crest. Similarly, the amplitude can be measured from the rest position to the trough position.
Examiner Tip. The definition of transverse and longitudinal waves are often asked as exam questions, make sure to remember these definitions by heart! Worked example. Graphical Representations of Transverse & Longitudinal Waves. The graph shows how the displacement of a particle in a wave varies with time.
11 Ιαν 2024 · amplitude – The maximum displacement of an harmonic wave depends upon how much the driver displaces the medium at the source of the wave. We also found that the amplitude can change (get smaller) when the wave is radiating outward from a point source in 2 or 3 dimensions.
11 Ιαν 2023 · Longitudinal Polarization: A material wave is longitudinal if the medium displacement from equilibrium is in the same direction that the wave is traveling. In most examples of longitudinal waves that we explore, this displacement occurs as periodic compressions (region of more dense medium) and rarefactions (regions of less dense medium) of the ...
Longitudinal waves are waves where the motion of the material in the wave is back and forth in the same direction that the wave moves. Sound waves (in air and in solids) are examples of longitudinal waves.
