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【Daily Question】Theoretical Foundation 2020.05.31

2020-05-31View Original

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Multiple-choice question: The sound intensity level of two people talking in a soft voice is 40 dB, while the sound intensity level of noise in a busy market is 80 dB. The ratio of the sound intensity in the market to that of soft conversation is: ( ) (A) 2 (B) 20 (C) 102 (D) 104 Answer: D Hint: Extra rewards will be given to those who can explain the solution process; the answer can be found in the response!

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