Question #105251

A turning fork of frequency 340Hz is vibrated just above a cylindrical tube of height 1.2m. If water is slowly poured into the tube, at what maximum height will resonance occur.

[speed of sound in air = 340ms-1]

[speed of sound in air = 340ms-1]

Expert's answer

In a closed tube, the resonance occurs at the following points from the opened top of the tube:

But the actual (effective) length of the tube is 1.2 m. Therefore, the resonance will occur at

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