how do we produced sound
Answers
by a organ in our neck called layrx
Answer:
In physiology, sound is produced when an object’s vibrations move through a medium until they enter the human eardrum. In physics, sound is produced in the form of a pressure wave. When an object vibrates, it causes the surrounding air molecules to vibrate, initiating a chain reaction of sound wave vibrations throughout the medium.
Sound waves and the brain
Types of Sound
There are many different types of sound including, audible, inaudible, unpleasant, pleasant, soft, loud, noise and music. You’re likely to find the sounds produced by a piano player soft, audible, and musical. And while the sound of road construction early on Saturday morning is also audible, it certainly isn’t pleasant or soft. Other sounds, such as a dog whistle, are inaudible to the human ear. This is because dog whistles produce sound waves that are below the human hearing range of 20 Hz to 20,000 Hz. Waves below 20 Hz are called infrasonic waves (infrasound), while higher frequencies above 20,000 Hz are known as ultrasonic waves.
Acousticians, or scientists who study sound acoustics, have studied how different sound types, primarily noise and music, affect humans. Randomized, unpleasant sound waves are often referred to as noise. Alternatively, constructed patterns of sound waves are known as music. Studies have shown that the human body responds differently to noise and music, which may explain why road construction on a Saturday morning makes us more tense than a pianist’s song.
Frequencies of sound and average range of hearing
How is Sound Produced?
Sound is produced when an object vibrates, creating a pressure wave. This pressure wave causes particles in the surrounding medium (air, water, or solid) to have vibrational motion. As the particles vibrate, they move nearby particles, transmitting the sound further through the medium. The human ear detects sound waves when vibrating air particles vibrate small parts within the ear.
In many ways, sound waves are similar to light waves. They both originate from a definite source, and can be distributed or scattered using various means. Unlike light, sound waves can only travel through a medium, such as air, glass, or metal. This means there’s no sound in space!
Sound Waves are Longitudinal Waves
How Does Sound Travel?
Before we discuss how sound travels, it’s important to understand what a medium is and how it affects sound. We know that sound can travel through gases, liquids, and solids. But how do these affect its movement? Sound moves most quickly through solids, because its molecules are densely packed together. This enables sound waves to rapidly transfer vibrations from one molecule to another. Sound moves similarly through water, but its velocity is over four times faster than it is in air. The velocity of sound waves moving through air can be further reduced by high wind speeds that dissipate the sound wave’s energy.
The speed of sound is dependent on the type of medium the sound waves travel through. In dry air at 20°C, the speed of sound is 343 m/s! In room temperature seawater, sound waves travel at about 1531 m/s! When physicists observe a disturbance that expands faster than the local speed of sound, it’s called a shockwave. When supersonic aircraft fly overhead, a local shockwave can be observed! Generally, sound waves travel faster in warmer conditions. As the ocean warms from global climate, how do you think this will affect the speed of sound waves in the ocean?
When a sound wave is produced, it moves forward through the medium, creating compressions and refractions. As the sound wave comes in contact with air particles, it vibrates them to create alternating patterns of bunched and expanded areas. Imagine a slinky moving down a staircase. When falling down a stair, the slinky’s motion begins by expanding. As the first ring expands forward, it pulls the rings behind it forward, causing a compression wave. This push and pull chain reaction causes each ring of the slinky’s coil to be displaced from its original position, gradually transporting the original energy from the first coil to the last. The compressions and refractions of sound waves are similar to the slinky’s pushing and pulling of its coils.
Sound waves lose energy as they travel through a medium, which explains why you cannot hear people talking far away, but can hear them whispering nearby. As sound waves move through space, they are reflected by mediums, such as walls, pillars, and rocks. This sound reflection is better known as an echo. If you’ve ever been inside a cave or canyon, you’ve probably heard your echo carry much farther than usual. This is due to the large rock walls reflecting your sound off one another.
Types of Waves
Longitudinal Sound Waves
Mechanical Sound Waves
Pressure Sound Waves
Transverse Waves