Wavelength

• The distance between successive crests or troughs of a wave or points in a soundwave or electromagnetic wave.
• wavelength(λ) of a sine wave.





• A standing wave(black) depicted as the sum of two propagating waves traveling in opposite directions(red and blue)



• Sinusoidal Standing wave.





• Wavelength of a sinusoidal waveform traveling at constant speed v is given by
λ=v/f.
where v=velocity;
f=frequncy;
λ=wavelength.

Notes