A vibrating guitar string has exactly one antinode in the middle of the string and two nodes at the end. You have produced an oscillation of the string at its
A) fundamental frequency.
B) first harmonic frequency..
C) second harmonic frequency..
D) third harmonic frequency..

Question

Quizplus · Accepted Answer

The fundamental frequency, also known as the first harmonic, is the lowest frequency at which a system can vibrate. This mode of vibration has one antinode in the middle and two nodes at the ends, which matches the description given.

A Vibrating Guitar String Has Exactly One Antinode in the Middle