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PHY. Chpt 17 formulas and concepts

STUDY
PLAY
separation and frequency
separation and frequency are directly proportional
constructive interference
crest to crest or trough to trough; in-phase
destructive interference
crest to trough or through to crest; out-phase
in-phase
an integer or 0
out-phase
a decimal
diffraction angle (of a speaker)
sin⊕ = 1.22(wavelength/diameter)
λ
velocity/frequency in Hz
frequency of a string fixed at both ends
n(v/2L)
speed
√f/linear density
λ
2/3L
wavelength open at one end
4L/n
distance between node and antinode
¼λ
frequency tube open at both ends
nv/2L