why are crowds louder than small groups/individuals even if each person produces the same amount of noise? In other words why would a group of people, each generating noise at Xdb sound louder than an individual generating noise at Xdb? How does cumulative sound work?
In: Physics
Sound travels in waves through air, just like Water has waves when it is disturbed. So think about throwing pebbles into water – 1 pebble makes small waves, 20 pebbles thrown in all at once will make bigger waves. The bigger the wave, the louder the sound. That’s about all my 5 year old can understand, anyway.
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