AP Physics
Monday April 7
April 7 Welcome back
Learning Target: Wind instruments use a standing wave inside a
column of air.
Vocabulary:
1. fundamental 2. open tube. 3. closed tube
Agenda:
Review any homework.
Notes on wind instruments and Doppler effect
Quiz
Homework on wind instruments
Quiz on wind instruments and
1. Fundamental
Doppler effect
2. Quality or
1. The lowest frequency standing wave is called
timbre
3. Rarefaction
4. Destructive
5. Waves appear
to move
further away.
2. What aspect of sound makes a “B” sound different on a flute
vs a piano?
3. In sound waves, a crest is a compression and the trough is
___________________.
4. Two Speakers send out waves that will behave constructive
at some points and _____________________at others.
5. Why does pitch sound lower as an object moves away?