What do longitudinal waves have to do with earthquakes?
The disturbance from an earthquake propagates as a wave. This wave can be either longitudinal or transverse. (Since waves that pass through the Earth's core are always longitudinal, geologists conclude that the Earth is liquid. A liquid won't transport transverse waves.)
Are sound waves transverse waves while light waves are longitudinal waves or are all sound waves and light waves longitudinal waves?
Particles in transverse waves vibrate perpendicular to the direction of the wave and those in longitudinal waves vibrate parallel to the direction of the wave. Light waves are transverse waves while sound waves are longitudinal. In general waves are quaternion and contain a real /longitudinal wave and a vector/transverse wave.
There are only two types of mechanical waves: longitudinal waves, and transverse waves. . In a longitudinal wave, the waves themselves oscillate, or vibrate, in the same direction as the wave travel. Longitudinal waves are also called compression waves. Sound and seismic P-waves are examples of mechanical longitudinal waves. . In a transverse wave, the waves oscillate perpendicular to the direction of the wave travel. Ocean waves and seismic S-waves are examples of mechanical transverse…
Longitudinal waves are waves that have the same direction of vibration along their direction of travel, which means that the vibration of the medium (particle) is in the same direction or opposite direction as the motion of the wave. Mechanical longitudinal waves have been also referred to as compressional waves or compression waves
polarization is not possible for longitudinal waves in electromagnetic waves electric and magnetic fields are perpendicular to each other and these two are perpendicular to direction of propagation so by using vertical or horizantal slits it is possible to polarize the electromagnetic waves where as in longitudinal waves the particles vibration is parllel to the direction of propagation so it is not possible to polarize the longitudinal waves