How Is It Produced

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What is sound how it is produced?

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.

How is sound produced answer?

Answer: Sound is produced when something vibrates. The vibrating body causes the medium (water air etc.) … Vibrations in the air are called travelling longitudinal waves which we can hear. Sound waves consist of areas of high and low pressure called compressions and rarefactions respectively.

How sound is produced and how is it transmitted and heard by us?

This vibration generates waves that pass through a medium to reach their destination that is our ear and are heard. Our ears pick up the sound. The outer half of the ear is shaped like a funnel. When sound enters it travels through a canal to a thin stretched membrane at the other end known as eardrum.

What is the sound How is it produced and propagated?

The sound waves are generated by a sound source such as the vibrating diaphragm of a stereo speaker. The sound source creates vibrations in the surrounding medium. As the source continues to vibrate the medium the vibrations propagate away from the source at the speed of sound thus forming the sound wave.

How can we produce sound give three examples?

Answer
  1. 1)In guitar when they pluck the strings of a guitar it vibrates and produces sound.
  2. 2)Sound Production by vibrating objects in tuning fork. A fork consists of two tines and a handle. …
  3. 3)Sound is produced by the larynx in humans. Two vocal cords are stretched across the voice box. …
  4. Hope it will help you !!!!

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What is sound and how is it produced class9?

Sound is defined as vibrations that travel through air or another medium as an audible mechanical wave. It is produced from a vibrating body. The vibrating body causes the medium (water air etc.) around it to vibrate these producing sounds.

How is sound produced for class8?

A sound is produced by a vibrating body. … When a body vibrates it produces sound in the surrounding medium. The vibrations are transferred to the medium surrounding the sound source. When the vibrations propagate away from the source they form a sound wave.

How does man produce sound?

The human beings produce sound by using the voice box which is called larynx. The voice box is situated in our throat at the top of the windpipe. The human voice box contains two ligaments known as vocal cords . Sound is produced by the vibrations of vocal cords.

How is transmitted or heard?

Sound waves enter the ears and travel down a canal at the end of which is a thin tightly stretched membrane called eardrum. As the sound wave strikes the eardrum it vibrates and the vibrations reach the inner ear which sends signals to the brain. The brain interprets the signals and we hear the sound.

How is sounds transmitted or heard?

Sound waves are transmitted by the medium’s particles bumping into each other. The closer the particles are the faster the transfer of vibration from one particle to the next and the faster the speed of sound. Sound cannot travel in a vacuum unlike light because there are no particles to do the bumping.

How is sound transmitted in the air?

When a drum is hit the air particles next to the drum skin vibrate and collide with other particles and this vibration is then transmitted through the air. This is known as wave compression which allows sound to travel quickly through the air. Could be used as starting point to understanding sound.

How is sound produced example?

Examples of Sound Produced by Vibration of Objects

In guitar when they pluck the strings of a guitar it vibrates and produces sound. The sound produced by it travels through the air which acts as the medium. Another example to explain Sound Production by vibrating objects in a tuning fork.

What is the object will produce sound?

Any object that vibrates will create a sound. The sound could be musical or it could be noisy but regardless of its quality the sound wave is created by a vibrating object. Nearly all objects when hit or struck or plucked or strummed or somehow disturbed will vibrate.

What is production and propagation?

Production of sound. Sound is produced when an object vibrates (moves back and forth rapidly). In other word sound is produced by vibrations of objects. Propagation of sound.

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What are the five sources of sound?

Sources of Sound Energy
  • Acoustic Instruments. •••
  • Electronic Instruments. Electrical vibrations are the starting point of sounds from electronic organs and synthesizers. …
  • Living Things. Animals and people make sounds with their vocal cords their mouths and other body parts. …
  • Machines. …
  • Nature.

What are the sources of sound?

Sound sources can be divided into two types natural and man-made. Examples of natural sources are: animals wind flowing streams avalanches and volcanoes. Examples of man-made sources are: airplanes helicopters road vehicles trains explosions factories and home appliances such as vacuum cleaners and fans.

How compression and rarefaction are formed?

Hint Compression is formed when molecules are pressed or forced together. Compression is a region of high pressure. Rarefaction occurs where there is given extra space and is allowed to expand.

How sound is propagated explain in detail?

Sound is a sequence of waves of pressure which propagates through compressible media such as air or water. (Sound can propagate through solids as well but there are additional modes of propagation). During their propagation waves can be reflected refracted or attentuated by the medium.

What is sound and how is it produced explain compression and rarefaction with help of diagram?

When the vibrating body swings backwards it creates a region of low pressure called rarefaction. As the object swings / oscillates back and forth rapidly a series of compressions and rarefactions is created in the air. These make the sound wave that propagates through air.

How is sound produced in class 6?

Sound is produced by vibration. When a body vibrates it forces the neighbouring particles of the medium to vibrate. This creates a disturbance in the medium which travels in the form of waves.

How is sound produced Class 3?

Sound is created when something vibrates and sends waves of energy (vibration) into our ears. The vibrations travel through the air or another medium (solid liquid or gas) to the ear. The stronger the vibrations the louder the sound. … Sound changes depending on how fast or slow an object vibrates to make sound waves.

How do birds and insects produce sound Class 8?

Answer: Birds chirp with the help syrinx in their wind pipe. Insects produce sound by flapping their wings.

What are the 4 stages of voice production?

It involves four processes: Initiation phonation oro-nasal process and articulation.

What energy is produced in your vocal cords?

Metabolic energy is used to initiate and maintain muscle contractions aerodynamic energy is produced in the pulmonary system to drive an airstream through the vocal tract elastic energy is stored and retrieved in stretched tissues and kinetic energy is developed in tissue and air movement during oscillation of the …

Is it possible to have the same voice as someone?

Although some people might sound quite a bit alike no two voices are ever exactly alike. We each have a unique voice because so many factors work together to produce that voice. … Stretched horizontally across your larynx are vocal folds which are also known as vocal cords.

What types of objects vibrate faster?

Thickness Thinner string or wires vibrate faster than thicker strings or wires producing a higher pitch Length Shorter objects vibrate faster than longer objects producing a higher pitch Tension Objects under greater tension vibrate faster than objects under less tension producing a higher pitch.

How is sound sent to the brain?

The cochlea is filled with a fluid that moves in response to the vibrations from the oval window. As the fluid moves 25 000 nerve endings are set into motion. These nerve endings transform the vibrations into electrical impulses that then travel along the eighth cranial nerve (auditory nerve) to the brain.

What converts sound waves into vibrations?

The sound waves enter the ear through the pinna and auditory canal and reach the tympanum or eardrum where they are converted into mechanical vibrations.

When the vibration are fast you hear a?

The individual air molecules do not “travel” with the wave. They just vibrate back and forth. When the vibrations are fast (high frequency) you hear a high note. When vibrations are slower you hear a lower note.

How does echo happen?

This phenomenon is called an echo which has its origins in the Greek ekho meaning “sound.” An echo happens when a sound wave reflects off a surface such as the water at the bottom of a well and the sound is repeated back to you. … The original sound should be of short duration.

How are sounds produced through human activities?

Humans have elastic ligaments called vocal cords attached to the bones in the throat. When air is passed over these cords they vibrate and make sound. … Passing air across these ligaments makes vibrations (much like in the human body). Actions of the tongue teeth and mouth shape can alter the sound produced.

Is it possible to produce sound if particles do not vibrate Why?

Sound waves traveling through air are indeed longitudinal waves with compressions and rarefactions. As sound passes through air (or any fluid medium) the particles of air do not vibrate in a transverse manner. Do not be misled – sound waves traveling through air are longitudinal waves.

Why you can hear noises long distances at night?

At night or during periods of dense cloud cover a temperature inversion occurs the temperature of the air increases with elevation and sound waves are refracted back down to the ground. … The effect is enhanced if the sound is propagated over water allowing sound to be heard remarkably clearly over great distances.

What object that does not vibrate Cannot produce what?

Answer: An object that does not vibrate cannot produce sound .

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