In a resonance tube experiment two consecutive resonances are observed when the length of the air columns are
16 cm and 49 cm. If the frequency of the tuning fork used is 500 Hz, the velocity of sound in air is:
A. 310 ms⁻¹
B. 320 ms⁻¹
c. 330 ms⁻¹
D. 340 ms⁻¹