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Publicēts: 05.12.2005.
Valoda: Angļu
Līmenis: Vidusskolas
Literatūras saraksts: Nav
Atsauces: Nav
  • Konspekts 'Explaining Sound: Subject: Science, Acoustics', 1.
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Sound
Our tympanic membrane, or eardrum, is just that, a stretched piece of tissue
That receives rythematic pulses known as sound. Sound is actually a linear wave. Think of a stretched out slinky, when you hit one end, a compression travels from one end to the other and back.
Sound is comprised of 2 parts:
Frequency- "pitch" measured in hertz (hz)
Amplitude- "volume" measured in decibels (db)
Think of frequency as a tuning fork, the smaller the tuning fork the faster it vibrates and the higher the pitch. Frequency is measured in Hertz (the number of vibrations per second). …

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