Longitudinal Wave
Longitudinal wave.
A longitudinal wave, like sound.
z-axis
Compression waves (as opposed to transverse waves).
Sound is transmitted from a source to the surrounding air particles, which vibrate or collide and pass the sound energy along to our ears. Without any particles to vibrate we wouldn't hear the sound.
Compression waves (as opposed to transverse waves).
Sound is transmitted from a source to the surrounding air particles, which vibrate or collide and pass the sound energy along to our ears. Without any particles to vibrate we wouldn't hear the sound.
A longitudinal wave, like sound.
The energy is not made of particles in the conventional sense. Particles of matter vibrate backwards and forwards along the direction of motion when a longitudinal wave travels. The particles possess kinetic energy.
Sound needs a medium to travel through, which means there must be particles present for it to travel (it cannot travel in a vacuum). Sound is formed by a vibrating object, and the vibrations are passed along the particles until they reach your ear, where they make your eardrum vibrate etc. This works in solid, liquid, and gases, as there are particles in all of them to pass along the vibrations. It works fastest in solids, as the particles are closest together, so can pass the vibrations on quicker. In liquids, the particles are still close, but less tightly packed, so sound travels a little slower than in solids. In gases, the sound travels even slower than in liquids, as the particles are very spaced out, so it takes a while to pass on the vibrations. Hope that helped!
When a compression wave travels through a medium, the particles of the medium move parallel to the direction of the wave. Compression waves are commonly called longitudinal waves.
A longitudinal wave