The fundamental frequency of guitar string of length 90 cm is 124 Hz . To produce a fundamental freq

Question

The fundamental frequency of guitar string of length 90 cm is 124 Hz . To produce a fundamental frequency of 186 Hz it has to be pressed at

Professor PC Thomas Classes · Answer

Frequency is inversely proportional to length. $124 	imes 90 = 186 	imes L \Rightarrow L = 60 \mathrm{~cm}$.