The difference in intensity level (dB) between a single trumpet and two trumpets is
A) 3 dB.
B) 0 dB.
C) 2 dB.
D) none of the above.

Name: The difference in intensity level (dB) between a single trumpet and two trumpets is A) 3 dB. B) 0 dB. C) 2 dB. D) none of the above.
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Question

Quizplus · Accepted Answer

Doubling the number of sound sources, such as trumpets, increases the intensity level by 3 dB. This is because the decibel scale is logarithmic, and doubling the power (or intensity) of a sound source results in a 3 dB increase.

The Difference in Intensity Level (DB) Between a Single Trumpet