Chapter 7- waves and sound Flashcards
1
Q
speed
A
V= lambdaF
2
Q
F
A
F=1/T
3
Q
angular frequency (w)
A
w= 2 pieF
4
Q
Doppler effect
A
If detector and source moving towards each other f’>f
If detector and source moving away from each other: f’
5
Q
Intensity of sound
A
I= P/A
6
Q
Open and closed ends
A
lambda = 2L/n
if open: n is number of dots
If closed: n is If complete turn : 1 if half a turn 1/2
