Sound Energy

Sound is a form of energy which causes moecule in the air to vibrate. As they do this ,they bump into their neighbours , causing them to vibrate and so on. This ‘knock-on’ effect is how sound travels. We all have studied about the nature of sound previously in many other books and internet.

The vibrating particles ‘push’ against their neighbours and form a region of higher pressure which then moves away from the source of the sound. This movement is a soun wave .

How sound travels

Where the particles are close togethere- in a solid or a liquid – its easy for a particle to bump onto one another and sound to travel quickly. In the air , where particles may be far apart , the sound travels more slowly. Sound will not travel in vacuum . And everyone knows that 😂…cause it is teached in third grade nowadays .

Frequency and wavelength

Every sound has a frequency , which means the number of times the sound causes particles to vibrate in a second. This is measured in Hertz(Hz) . 1 Hz = 1 vibration per second. Different creatures can hear different sound frequencies . Human ear can hear sounds as low as 20Hz or as high as 20000 Hz .

How we hear

As there is a 300+ pages of written script in books of the mechanism of hearing .. and I am ofcourse not going to describe it biologically. Rather I would like to explain very shortly physically .

This is how we hear things – a noise makes the air vibrate , and the vibration ripples through the air. This makes the tiny bones of ear ,which are melleus, stapes, and incus ..and the smallest bones of our body too.. they vibrates , which send the signal to our brain and we ‘ hear’ the sound .

Therapeutic Use of Sound

The human body is designed in such a way, which makes it highly sensitive towards various intensity of sounds. The hearing ability is the first sense developed among the six senses in the infant during fetal development.
Researchers have found that humans, not only hear through the ears, but our skin is also sensitive towards pressure sound waves. Actually, the human body is composed majorly of water, that’s why humans show sensitivity towards sound energy. Water transmits sound energy at a faster rate than the gaseous medium. Our skull and bones are also capable of transmitting sound waves.
Use of sound energy as a medicine
Sound energy can be used as a conventional or alternative form of medicine. In conventional medicine, ultrasonic waves are used while in the other type, audible sound waves are used. However, audible sound proves to be less effective in the medical field as compared to the ultrasound waves.
People are quite familiar with conventional medicine as it’s a common practice to use ultrasonic waves to detect the stage of development of a fetus inside the womb of the mother. Use of sonograms is an effective diagnostic technique used in the medical world. The sound waves strike the bones and fluid of the fetus and cast an image after bouncing back.

Ultrasonic Therapy

Ultrasound can be used as a good therapeutic agent. It seems to enhance the relaxation of body tissues. This therapy is helpful in reducing inflammation and severe pain conditions in any part of the body. Ultrasonic therapy help in speedy healing of any bone fracture. It is effectively used by physical therapists worldwide. Ultrasound can be used as a technique to carry out surgeries. Unwanted fibroids or tumors can be detected and removed using this technique.

Cleaning instruments

Ultrasound waves show very high utility for achieving various human welfare purposes. They can be efficiently used to clean delicate instruments without having to take the equipment apart. The process involves some easy steps that include holding the instrument in a sterilizing liquid. The ultrasonic waves pass through that liquid. This makes the liquid particles vibrate at really high frequencies, which makes the cleaning process easy and effective.

There are a lot of explanation about the sound . But as a whole for a short information and knowledge I would list out some facts about the sound (energy)

1.Sound comes from vibrations. These vibrations create sound waves which move through mediums such as air and water before reaching our ears.

2.Our ears vibrate in a similar way to the original source of the vibration, allowing us to hear many different sounds.

3.Dogs can hear sound at a higher frequency than humans, allowing them to hear noises that we can’t.

4.Sound is used by many animals to detect danger, warning them of possible attacks before they happen.

5.Sound can’t travel through a vacuum (an area empty of matter).and thats I have already mentioned.

6.The speed of sound is around 767 miles per hour (1,230 kilometres per hour).

7.The loud noise you create by cracking a whip occurs because the tip is moving so fast it breaks the speed of sound!

8.When traveling through water, sound moves around four times faster than when it travels through air.

9.The scientific study of sound waves is known as acoustics.And this phenomenon is called as acoustic phenomenon.

10.Although music can be hard to define, it is often described as a pleasing or meaningful arrangement of sounds.

11.The sound of thunder is produced by rapidly heated air surrounding lightning which expands faster than the speed of sound.


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