A guitar string is 75cm long. The wavelength of its fundamental note is A. 75cm B.150cm C. 37.5 cm D. 112.5 cm E. 50 cm.
ANSWER: Option B
Firstly, you have to understand the difference between pipes and strings. The difference is that while we consider strings to be fixed at both ends, the pipe is either free at both ends (if it is open at both ends) or is free at one end and fixed at the other (if the tube is closed at one end).
So, considering the image above, the fundamental note is the first harmonic. Using the formula, you will arrive at your answer!
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His Name is Tiamiyu Abdulbazeet Olawale. He is a student at the University of Ilorin studying Electrical and Electronics Engineering. He likes to give latest updates about institutions in Nigeria as he aims at helping people to lay their hands on the right information.