(b) Define the intensity and energy density at a point in a plane wave of sound. Obtain an expression for the intensity of a plane wave in terms of acoustic pressure.
(b) Define the intensity and energy density at a point in a plane wave of sound. Obtain an expression for the intensity of a plane wave in terms of acoustic pressure.
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Transcribed Image Text:Q 3. (a) Explain what is meant by “bel" and "phon". Discuss the factors influencing Loudness.
(b) Define the intensity and energy density at a point in a plane wave of sound. Obtain an
expression for the intensity of a plane wave in terms of acoustic pressure.
(c) What are the acoustic requirements of a good auditorium? How an auditorium can be used
for speech, music and opera.
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