Question

explain how the frequency of sound increases with the decrease in the length of the vibrating column​

Answer 1

Answer:

an increase in the length of a vibrational system (here, the air in the tube) increases the wavelength and decreases the natural frequency of that system. Conversely, a decrease in the length of a vibrational system decreases the wavelength and increases the natural frequency.

Answer 2

Explanation:

And of course, a change in wavelength will result in a change in the frequency. So the natural frequency of a wind instrument such as the trombone is dependent upon the length of the air column of the instrument. Therefore, as the length of a vibrating column increases, its frequency decreases and vice versa.

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