Without a microphone, a certain singer in the concert hall produces 67 dB. With a microphone, this

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Without a microphone, a certain singer in the concert hall produces 67 dB. With a microphone, this increases to 83.5 dB.

a) The sound intensity with the microphone is how many times the previous (unmiked) intensity? Round your answer to the nearest 0.1.

b) How many times as loud does the singer sound to the audience when using a microphone compared to without one?

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Physics

ISBN: 978-0077339685

2nd edition

Authors: Alan Giambattista, Betty Richardson, Robert Richardson

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Posted Date: Mar 21, 2024 03:09 AM

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Without a microphone, a certain singer in the concert hall produces 67 dB. With a microphone, this

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