# Physics review

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In this example, sound waves are created in a tube. The tube is partially filled with water and the level of water is adjusted in the tube until there is a standing wave. Draw the lowest frequency standing wave for the two water levels in the drawing. The drawing has two tubes. One is 3/4 full and the other is 1/4 of the way full.

A 320 Hz tuning fork to generate sound waves. The tube has a length of 1m. Taking the speed of sound to be 343 m/s, find the two heights of the water int the tube that will produce a standing wave.

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