The intensity level of sound in a truck is 90 dB. What is the intensity of this sound? Express your answer using two significant figures.

1. The warning tag on a lawn mower states that it produces noise at a level of 93 dB. What is this in watts per meter squared? 1= ✓ W/m²

If the sound intensity 4.0m from a sound source is 6.0x10-6 W/m2, what is the intensity at 1.5 m and 12m from the source.

A sound has an intensity of 0.0000027 Watts per square meter.  What is this sound's decibel level?

A sound has an intensity of 0.0000024 Watts per square meter. What is this sound's decibel level? Add your answer

What is the intensity (in W/m2) of a sound that has a level 3.00 dB lower than a 3.33 ✕ 10−9 W/m2 sound? (b) What is the intensity (in W/m2) of a sound that is 10.0 dB higher than a 3.33 ✕ 10−9 W/m2 sound?

A sound level of 0 dB corresponds to a sound intensity of 0 W/m2. True or False?

The warning tag on a lawn mower states that it produces noise at a level of 96.0 dB. What is this in W/m²? W/m2

The warning tag on a lawn mower states that it produces noise at a level of 99.0 dB. What is this in W/m2?

Ultrasound waves at intensities above 104 W/m² can do serious damage to living tissues. ▷ & If 10² W/m² corresponds to 160 dB, what is the sound intensity level, in decibels, of ultrasound with intensity 10³ W/m². used to pulverize tissue during surgery? B= dB Grade Summary Deductions