Question

define sound? what is sounds?

Answer 1

$\textbf{Sound}$

→ Sound is a form of energy that travels through air in the form of vibrations and is heard by us with the help of ear.

→ Ex :- When we hit any solid substance/particle with table then it produces some noise that is sound.

$\textbf{Importance of Sound}$

1. Sound helps us in communicating. If there is no sound heard by our ears then we were unable to communicate with each other and also unable to understand what others are saying.

2. There are many people and animals (bats) which cannot hear. So, sound is important for them. As because of sound they were able to understand what other people's are saying or what is in front of the them.

Answer 2

Answer:

Sound

It is a form of energy that travels in the form of waves and produce an sensation in our ears that cause hearing .

Now , Question may arrise that what is Wave ?

So, Wave - It is a disturbance produced in the medium .

Mainly Waves are of two types

Some where it is considered as three types

1. Electromagnetic waves = It doesnot need any material medium .

2. Magnetic waves = It need material medium to travel .

• Matter wave = The waves associated with matter is known as Matter wave .

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