14.5 When the volume knob is turned up, the sound level changes from 50 dB to 87 dB. What is the ratio of the intensities in W/m2 ?
14.6 If the sound intensity level in decibels at a location 42 m from a spherical source is 37 dB, what is the power output of the source?
Get Answers For Free
Most questions answered within 1 hours.