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- Transmission of Sound
Sound travels in waves and can be described by the wavelength and frequency of the waves.
Sound is transmitted more quickly through solids than through liquids and gases because the molecules of a solid are closely packed together.
The speed of sound in dry air is about 343 m/s, 1484 m/s in water and 5,120 m/s in iron (almost 15 times as fast when compared to air)).
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