If one-half of the members of a symphony orchestra are absent because of head colds,thus reducing the overall intensity of sound by 50%,what will be the reduction in the decibel level?
A) 5 dB
B) 3 dB
C) 48 dB
D) 1.7 dB

Question

Quizplus · Accepted Answer

A 50% reduction in the intensity of sound results in a 3 dB reduction in the decibel level according to the logarithmic relationship between sound intensity and decibel level.

If One-Half of the Members of a Symphony Orchestra Are