PpSTLeR8868 PpSTLeR8868

08-08-2024
Physics

Answered

A 40 cm long tube has a 40 cm long insert that can be pulled in and out. As the Insert is slowly pulled out, the sound from the tuning fork create standing waves in the tube when the total length L is 42.2 cm, 56.7 cm, and 70.9 cm. What is the frequency of the tuning fork?

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