1.
Practice Exercise: Answer briefly.
How are sounds produced?
Why are some sounds loud and others soft?
What is an echo?
Show how an echo is produced through an illustration or diagram.
pa sagot po plsss kasi ipapasa na po ito mamayang 3pm
Practice Exercise: Answer briefly.
How are sounds produced?
Why are some sounds loud and others soft?
What is an echo?
Show how an echo is produced through an illustration or diagram.
pa sagot po plsss kasi ipapasa na po ito mamayang 3pm
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Answer:
1.sound is produced when an object vibrates, creating a pressure wave. this pressure wave causes particles in the surrounding medium ( air,water, or solid ) .
2. when you pluck a stribg gently, the sound will be softer because you have transferred less energy to the string.A string plucked with force has greater amplitude, the greater amplitude makes the sound louder.
3.a sound or seties of sounds cause by the reflection of sound waves from a surface back to listener.