A tuba creates a 4th harmonic of frequency 116.5 Hz. What is the length of the pipe in the tuba? (Speed of sound v = 343 m/s, unit L = m)
a. L = 343/116.5
b. L = 343/(4 x 116.5)
c. L = 343/(2 x 116.5)
d. L = 343/(3 x 116.5)