In a resonance-column experiment, the tuning fork can be held above the open end in two orientations shown as position (1) and position (2). Which position is correct? Image
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Question

In a resonance-column experiment, the tuning fork can be held above the open end in two orientations shown as position (1) and position (2). Which position is correct? Image

G1 Physics · Accepted Answer

For resonance-column excitation, the tuning-fork prongs should vibrate so that pressure variations couple efficiently into the tube; one prong is kept above the other as in position (1). This orientation is used for the resonances. Correct answer: A.