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There is a biological reason why a church does not need an organ pipe longer than...

There is a biological reason why a church does not need an organ pipe longer than 4.0 m. What is the reason?

There are much longer pipes.What is their effect?

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Answer #1

Increasing length of pipe in the organ pipe leads to lower frequency sounds. Lower frequency sounds donot dissipate soon and they create more disturbances in the ear ( Spontaneous ottoacoustic emissions - SOAEs) whcih keep oscillating long after they have been exposed to low freqeuncy sounds. So prolonged exposure to these sounds in churches may lead to hearing loss or improper function of hearing.

Longer pipes are used for producing low frequency sounds which can travel farther undissipated , used for big halls and auditoriums.

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