FM23 P12 Q25 Musical Instrument Freq | Feb/March 2023 | Cambridge 9702 A Level Physics

9702/12/F/M/23: A musical instrument is made using a long tube with a mouthpiece at one end. The other end is open and flared, as shown.

A musician maintains stationary sound waves with a node at the mouthpiece and an antinode at the other end. The lowest frequency of sound that the instrument can produce is 92 Hz. Which different frequencies of sound can be produced by the instrument?
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