Waves Flashcards
1
Q
v=?(Waves)
A
v=λf where λ is the wavelength
2
Q
Speed of sound?
Speed of light?
A
345m/s (denser=faster)
c=3x10^8m/s (denser=slower)
3
Q
EM Spectrum?
A
Radio-Micro-Infrared-Visible-Ultraviolet-X-rays-Gamma rays
Visible:Red-Orange-Yellow-Green-Blue-Indigo-Violet
3
Q
Doppler effect=?
A
Approaching:
Shorter wavelengths and higher pitch
Moving away:
Longer wavelengths and lower pitch
4
Q
λn=?
A
λn=(1/n)λ1
5
Q
fn=?
A
fn=nf1
6
Q
fbeat=?
A
fbeat=|f1-f2|
7
Q
Node?
Antinode?
A
Destructive interference
Constructive interference