click below
click below
Normal Size Small Size show me how
ch. 26 notes
ch. 26 physics notes
Question | Answer |
---|---|
all sounds are produced by what | vibrations |
below 20 hertz is | infransonic |
above 20,000 hertz is | ultrasonic |
sounding board | stringed instrument |
how we hear frequency | pitch |
where particles are pushed together | compression |
where particles are spread out | rarefaction |
what does a rarefaction follow | a compression |
what is the order of media that transmits sound ? | solid, liquid ,gas |
what is our interpretation of intensity ? | loudness |
what is the rating for decibel ? | 100 times more then the next |
when does hearing damage begin at? | at 85 decibels |