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6 June, 09:27

What is loudness?

a) the frequency of a sound wave

b) the rate at which a wave's energy flows through a given area

c) the amplitude of a sound wave

d) the physical response to the intensity of sound, modified by physical factors

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  1. 6 June, 10:24
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    D is the best answer. C is somewhat true, increasing the amplitude of a wave will make it louder, but loudness depends on the listener. To a person hard of hearing, a given amplitude will sound quieter than for a normal hearing person.
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