A string 1 m long is drawn by a vibrator attached to its end. The string vibrates in three segments. If the frequency of vibration of the vibrator is 480 Hz, then what is the speed of waves through the string ?

A string 1 m long is drawn by a vibrator attached to its end. The stri

1.	A string 1 m long is drawn by a vibrator attached to its end. The string vibrates in three segments. If the frequency of vibration of the vibrator is 480 Hz, then what is the speed of waves through the string ?
A.	160 Hz
B.	320 Hz
C.	480 Hz
D.	640 Hz
Answer» D. 640 Hz