Imagine watching a flash of lightning and thundering of the cloud. When one wave passes in one second its frequency is 1 wave per second or 1 Hertz. Frequency is measured in units called hertz (Hz). The number of vibrations produced by a vibrating body in one second is called its frequency. We can also say that it is the height of the crest or depth of a trough (transverse wave) measured from the rest position. The amplitude of a wave is the mixture distance of the particles of the medium from the rest position. For longitudinal waves, it is the distances between two adjacent compressions or rarefactions. WavelengthĪ wavelength is the shortest distance between two adjacent crests or troughs of a transverse wave. The basics terms to understand waves are amplitude, wavelength, frequency, and speed. Learn about the Types and uses of sound waves in detail here. When the disturbance in the air reaches our ears, we hear the sound of the drum. These compression and rarefaction travel through the air as longitudinal waves. When the drum head moves to the right, the particles of the air on the right move farther apart, create a rarefaction. When the drum head moves to the left, it compresses the particles of air and creates a compression. When a drummer beats a drum, the surface of the drum vibrates and creates a disturbance in the air beside it. Learn about the difference between transverse and longitudinal waves in detail here Sound Waves are Longitudinal WavesĪ sound wave traveling through air is an example of a longitudinal wave. These waves reach our ears and affect the eardrum. Sound from a vibrating body produces longitudinal waves in the air. The part of a longitudinal wave, where particles of the medium are spread out, are called rarefactions. As the wave moves, compressions and rarefactions are produced due to the back and forth motion of particles of the medium. The part of a longitudinal wave, where particles of the medium are compressed together, are called compressions. If we pull and push one end of the slinky spring continuously, we can produce a longitudinal wave. Longitudinal wavesĪ wave in which particles of a medium move back and forth, parallel to the direction of the wave is called a longitudinal wave. The highest point of a transverse wave is called the crest, and the lowest point between two crests is called Trough. Observes transverse waves produced by the up and down movement of a rope. Waves that are produced in water are transverse waves. Transverse WavesĪ wave in which particles of the medium move perpendicularly to the direction of the wave is called a transverse wave. There are two types of waves,i.e., transverse waves and longitudinal waves. There are two kinds of progressive waves – transverse waves and longitudinal waves Types of Progressive Waves A wave that transfers energy by moving away from the source of disturbance is called a progressive or traveling wave. The ripples are examples of progressive waves because they carry energy across the water structure. Ripples will be produced and spread out across the water. Suggested videoĭifference between mechanical and matter wavesĭifference between transverse and longitudinal wavesĭifference between electromagnetic waves and matter wavesĭrop a particle in water. Learn about the Difference between electromagnetic waves and matter waves here. Since energy is carried by waves, therefore the waves associated with such moving particles are known as matter waves. Learn more about electromagnetic waves and their types here Matter WavesĪ moving particle carries energy from one place to another in the form of kinetic energy. These waves propagate out in space due to the oscillation of electric and magnetic fields. The waves which require no material medium for their propagation are called electromagnetic waves. The waves which require a material medium for their propagation are known as mechanical waves Examples of mechanical waves What are the three types of waves in physics
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