Q:

Is this statement true or false: the greater the amplitude of a sound wave, the louder the sound?

A:

Quick Answer

It is true that the greater the amplitude of a sound wave, the louder the sound. Amplitude is defined as the measure of change in atmospheric pressure caused by sound waves.

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Full Answer

Amplitude is measured in the amount of force applied over an area and is most commonly measured in newtons per square meter (N/m2). A newton is considered the amount of force it takes to accelerate a 1-kilogram object by 1 meter per second (m/s).

The lowest threshold that a human can hear sound is 0.00002 N/m2. The threshold of pain for hearing a sound is considered to be 60 N/m2. Both of these numbers can vary depending on the individual and age but can be used as general guidelines.

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