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transverse wave, motion in which all points on a wave oscillate along paths at right angles to the direction of the wave's advance. Surface ripples on water, seismic S (secondary) waves, and electromagnetic (e.g., radio and light) waves are examples of transverse waves.
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Mechanical Waves • A mechanical wave is a wave that is an oscillation/vibration of matter, and therefore transfers energy through a medium. • For example water waves, sound waves, and seismic waves.
Transverse wave Ϥ(x,t) = • It is the form of wave in which particles of medium vibrates about their mean position perpendicular to the direction of motion of wav Y =0 V propagational velocity = -y Y(x,y) =Asin(x-vt) = = Acos(x-vt) (x,y) = = -Asin(x-vt) =0 A = - A -ωA X x =0 λ
Plane Wave Equation Ϥ(x,t) = For Transvers Wave Equation = Speed For Different Transvers Waves
Longitudinal wave • Longitudinal waves cause the medium to vibrate parallel to the direction of the wave. • It consists of multiple compressions and rarefactions. • The rarefaction is the farthest distance apart in the longitudinal wave • The compression is the closest distance together • For example sound waves
Plane Wave Equation Ϥ(x,t) = For Longitudinal waves = Speed For Different Longitudinal Waves
Surface waves • This type of wave travels along the surface or interface between two media. • waves in a pool, or in an ocean, lake • Rayleigh waves, also known as ground roll, are waves that travel as ripples with motion similar to those of waves on the surface of water.