1. Interference will always cause an increase in wave amplitude. A.True B.False

2. If you can figure out the spot where a frequency is cancelled by destructive interference, ____ other frequencies will also be cancelled at this spot. A.all B.some C.no

3. The intensity level scale for sound is linear. A.True B.False

4. A sound with intensity 0dB means there is no sound. A.True B.False

5. Variation in air pressure A.is interpreted as sounds by the ear. B.has a peak amplitude. C.is what a microphone senses. D.all of the above E.none of the above

6. What is your favorite color? RankResponses 1 2 3 4 5 6