what is sound?characteristics of sound?
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Explanation:
sound is a vibration that typically propagates as an audible wave of pressure, through a transmission medium such as a gas, liquid or solid.
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Sound is a longitudinal wave which consists of compressions and rarefactions travelling through a medium. And the characteristics of sounds are Amplitude, pitch, Time period, quality.
Explanation:
- Sound is a form of energy which helps in communication between peoples.
- Amplitude: It can be defined as the maximum displacement of a particle from it's mean position.It is measured in metre. It is the measure of Loudness.
- Time Period: It can be defined as the time taken by the particle to complete one oscillation. It is measured in seconds.
- Frequency: It can be defined as the number of oscillations of the particle in one second. It is measured in hertz.
- Pitch: If a sound has low frequency ,then it will have low pitch. Mainly female has shrill voice.So, Pitch is the measure of Shrillness.
- Quality: Also known as timbre,it helps in differentiating sounds having same loudness and pitch.
Learn more about sounds
A sound wave travels 2000m in 8second. What is the velocity of the sound
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A sound wave of frequency 640 hz travels 800m in 2.5s.Calculate these -
a.Speed of sound b.Wavelength of sound wave
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