Answer:
Intensity of sound It is the amount of sound energy
passing each second through unit area.
Loudness It is the measure of the sound energy reaching
the ear per second,
Loudness is a measure of the response of the ear to the
sound. Even when two sounds are of equal intensity, we may hear one as louder
than the other, as our ear detects it better.
Therefore, loudness depends both on the intensity of sound
and the response of the ear to that sound,
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