The speed of sound in a particular fluid is 1480 m/s. What is the wavelength of sound waves of frequency 23 kHz that travel through the fluid?

A. 6.4 cm 

B. 5.5 cm 

C. 2.1 m 

D. 3.2 cm 

2. When a mass 5 kg hangs from a vertical wire of length 2 m, waves travel on this wire with a speed of 10 m/s. What will the speed of these waves be if the length of wire is doubled?

A. 20 m/s

B. 10 m/s

C. 5 m/s 

D. 22 m/s 

3. A steel wire 4 m long has a mass of 0.06 kg and is stretched with a tension of 1000 N. What is the speed of propagation of a transverse wave on the wire?

A. 516 m/s 

B. 600 m/s

C. 258 m/s 

D. 400 m/s