Compressional waves
Longitudinal waves.
Sound energy is produced when matter vibrates. This vibration creates waves that travel through a medium, such as air or water, and are interpreted by our ears as sound.
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A longitudinal wave vibrates in the same direction that the wave travels. Examples of longitudinal waves include sound waves and seismic waves.
A wave that vibrates in a direction parallel to the direction of the wave itself is called a longitudinal wave. In longitudinal waves, the particles of the medium move back and forth in the same direction as the wave is traveling. Sound waves are examples of longitudinal waves.
Sound is created by vibrations in the air. When an object vibrates, it creates pressure waves that travel through the air to our ears. These pressure waves are then interpreted by our brains as sound.
Longitudinal waves cause particles in matter to move back and forth along the same direction in which the waves travel. This type of wave propagation occurs in mediums where the particles vibrate parallel to the direction of the wave. Sound waves are a common example of longitudinal waves.
Transverse waves will move across the direction of travel.
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Sound waves can spread in all directions as they travel through a medium, such as air or water. When an object vibrates it creates sound waves that radiate outward in all directions.
Electromagnetic waves, such as light waves, are transverse waves that do not require a medium to travel through and can disturb matter by transferring energy. Sound waves, however, are longitudinal waves that disturb matter by causing particles in the medium to vibrate in the same direction as the wave is traveling.
NO some waves like sound require matter to travel whereas light waves can travel in vacuum.