Sound is created by vibrations that travel through air or other mediums and can be heard when they reach an ear. The width of the soundwave determines the pitch and loudness of the sound, with narrower waves creating higher pitches. Every room has acoustic properties that determine how sound is transmitted based on its surfaces. Acoustic treatment helps sounds become dead or absorbed by reducing vibrations. Reverberation refers to the continuation of a sound bouncing off surfaces until it dies out, while reverb describes how long it takes a sound to stop after being produced.
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Chapter - 13, Sound, Science, Class 8
WHAT IS SOUND?
INTRODUCTION TO SOUND
SOUND-PRODUCING MUSICAL INSTRUMENTS
SOUND PROPERTIES
HOW DO HUMANS PRODUCE SOUND?
HOW SOUND PROPAGATE IN A MEDIUM?
SOUNDS BY HUMANS
THERE ARE THREE MAJOR PARTS OF THE HUMAN EAR
AMPLITUDE, TIME PERIOD, AND FREQUENCY
THE LOUDNESS OF A SOUND
PITCH OF THE SOUND
AUDIBLE AND INAUDIBLE SOUNDS
NOISE AND MUSIC
NOISE POLLUTION
CAUSES OF NOISE POLLUTION
EFFECTS OF NOISE POLLUTION
PREVENTION OF NOISE POLLUTION
Every topic of this chapter is well written concisely and visuals will help you in understanding and imagining the practicality of all the topics.
By Shivam Parmar (Entrepreneur)
The following is a PowerPoint presentation (PPT) created on the chapter Sound, of class 8.
This PPT is useful for getting a full overview of the chapter, and also for making short notes.
To know that sound can be reflected, refracted, diffracted, and produces interference effects.
Know that sound is a wave because it can be reflected and refracted as with particles, diffraction and interference only occur with waves
I have expertise in making educational and other PPTs. Email me for more PPTs at a very reasonable price that perfectly fits in your budget.
Email: parmarshivam105@gmail.com
Chapter - 13, Sound, Science, Class 8
WHAT IS SOUND?
INTRODUCTION TO SOUND
SOUND-PRODUCING MUSICAL INSTRUMENTS
SOUND PROPERTIES
HOW DO HUMANS PRODUCE SOUND?
HOW SOUND PROPAGATE IN A MEDIUM?
SOUNDS BY HUMANS
THERE ARE THREE MAJOR PARTS OF THE HUMAN EAR
AMPLITUDE, TIME PERIOD, AND FREQUENCY
THE LOUDNESS OF A SOUND
PITCH OF THE SOUND
AUDIBLE AND INAUDIBLE SOUNDS
NOISE AND MUSIC
NOISE POLLUTION
CAUSES OF NOISE POLLUTION
EFFECTS OF NOISE POLLUTION
PREVENTION OF NOISE POLLUTION
Every topic of this chapter is well written concisely and visuals will help you in understanding and imagining the practicality of all the topics.
By Shivam Parmar (Entrepreneur)
The following is a PowerPoint presentation (PPT) created on the chapter Sound, of class 8.
This PPT is useful for getting a full overview of the chapter, and also for making short notes.
To know that sound can be reflected, refracted, diffracted, and produces interference effects.
Know that sound is a wave because it can be reflected and refracted as with particles, diffraction and interference only occur with waves
this is a notes of sound for class 8 students. this will help you to revise the chapter very quickly. recap is also included in this.
with the help of pictures you will be able to understand it quickly.
Multi-cluster Kubernetes Networking- Patterns, Projects and GuidelinesSanjeev Rampal
Talk presented at Kubernetes Community Day, New York, May 2024.
Technical summary of Multi-Cluster Kubernetes Networking architectures with focus on 4 key topics.
1) Key patterns for Multi-cluster architectures
2) Architectural comparison of several OSS/ CNCF projects to address these patterns
3) Evolution trends for the APIs of these projects
4) Some design recommendations & guidelines for adopting/ deploying these solutions.
1.Wireless Communication System_Wireless communication is a broad term that i...JeyaPerumal1
Wireless communication involves the transmission of information over a distance without the help of wires, cables or any other forms of electrical conductors.
Wireless communication is a broad term that incorporates all procedures and forms of connecting and communicating between two or more devices using a wireless signal through wireless communication technologies and devices.
Features of Wireless Communication
The evolution of wireless technology has brought many advancements with its effective features.
The transmitted distance can be anywhere between a few meters (for example, a television's remote control) and thousands of kilometers (for example, radio communication).
Wireless communication can be used for cellular telephony, wireless access to the internet, wireless home networking, and so on.
ER(Entity Relationship) Diagram for online shopping - TAEHimani415946
https://bit.ly/3KACoyV
The ER diagram for the project is the foundation for the building of the database of the project. The properties, datatypes, and attributes are defined by the ER diagram.
This 7-second Brain Wave Ritual Attracts Money To You.!nirahealhty
Discover the power of a simple 7-second brain wave ritual that can attract wealth and abundance into your life. By tapping into specific brain frequencies, this technique helps you manifest financial success effortlessly. Ready to transform your financial future? Try this powerful ritual and start attracting money today!
1. What Is Sound?
Sound is the when there is vibrations
moving and getting ricocheted
throughoutthe air or another way of
explaining it is when vibrations that travel
through the air or another medium and
can be heard when they reach a person's
or animal's ear. By this, waves get passed
around to create a sound. The wider the soundwave, thedeeper and louder
the sound of the pitch is. For example, when there is small soundwaves, it
means that the sound that gets vibrated and travelled around has low high
pitch voice.
In every room, there is acoustics. There is acoustics and there is acoustic
treatment. Acoustics means that when there the sound has surfaceproperties.
In other words, it’s when the properties or qualities of a room or building that
determine how sound is transmitted in it whereas acoustic treatment is when
the vibrations is helping the sound to become dead. The differencebetween
the two is that one shows us aboutthe surfaceassets; however, the other
helps the sound to be dead.
Reverberation is when the time it takes for the sound to stop, in other words,
continuation of a sound; quality and reverb means that until the sound dies
out, the sound will be pinging back and forward untilthe sound dies out, in
other words, an outcome whereby the sound produced by an amp. The
difference between the two is that one measures the time it will take for the
sound to stop but the other tells us how the sound dies out.