Question

A speaker has a vocal tract 17 cm long. What are the first three resonant frequencies for this speaker (the fundamental frequency and the first two harmonics above the fundamental)?

Group of answer choices

48.7 Hz, 97.4 Hz, 146.2 Hz

487 Hz, 974 Hz, 1462 Hz

487 Hz, 1462 Hz, 2437 Hz

48.7 Hz, 146.2 Hz, 243.7 Hz

Answer 1