Question

A sonometer wire 100 cm long has fundamental frequency of 330 Hz. The velocity of propagation of transverse waves on the wire is –

• A. 330 m/s
• B. 660 m/s
• C. 990 m/s
• D. 115 m/s

Answer 1

Answer: (B)

660 m/s

Answer 2

L = $\frac{\lambda}{2}$ \ l = 2 × 100 cm = 2m

v = nl = 2 × 330 = 660 m/s