What happens to sound when the amplitude of the sound changes? Answer: When amplitude increases, louder sound will be produced but when amplitude decreases loudness of the sound decreases. Explanation: Amplitude is the basis of the loudness of the sound. The higher the amplitude, the louder the sound produced. It is the distance from the equilibrium to the wave crest or wave trough. It will serves as the volume of the sound. Sound wave Is an example of longitudinal wave and it travels in a medium. A medium can be gas (air) , solid, liquid. Sound wave travels faster in solid and travel slower in gas medium. Unlike electromagnetic wave (sunlight, radio wave, microwave etc.), sound wave cannot travel in a vacuum like the outer space which means, there will be no sound produced in the outer space. Sound travels slower than light, that is why even if lightning and thunder are made or created at the same time, our eyes were able to observe the lightning first then a couple of seconds ...
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