A tube open at one end and closed at the other end produces sound having a fundamental frequency of 350 Hz.If you now open the closed end,the fundamental frequency becomes
A) 87.5 Hz.
B) 175 Hz.
C) 350 Hz.
D) 700 Hz.
E) 1400 Hz.

Question

Quizplus · Accepted Answer

The fundamental frequency of a tube open at both ends is twice that of a tube open at one end and closed at the other. Therefore, when the closed end is opened, the fundamental frequency becomes 2 * 350 Hz = 700 Hz.

A Tube Open at One End and Closed at the Other