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1. Distinguish between loudness and intensity of sound.
The loudness of a sound is determined by its . It is proportional to the .
The passing through an area every second is called intensity of a sound wave.
2. In which of the three media, air, water or iron, does sound travel the fastest at a particular temperature?
Sound travels faster in when compared to any other medium.
Therefore, at a particular temperature, sound travels fastest in and slowest in .
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