Determine the frequency of the fundamental mode and the next two harmonic that can be set up on a sitar string of length 1.0 m. Take the speed of the waves of the string to be 2.8×10^3 m/s
"f=\\frac vL=2.8~kHz,"
"f_2=\\frac f2=1.4~kHz,"
"f_3=\\frac f3=0.9~kHz."
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