Question

A guitar string is 4.6 m long. What is the wavelength of a fourth harmonic standing wave?

Answer 1

for a guitar string,its wavelength of first harmonic is given as `lambda =2l` where,`l` is the string length,

So,for `4` th harmonic it will be `lambda =(2/4)l=l/2=4.6/2=2.3m`