Standing waves are produced in a stretched string of length 8 m. If the string vibrates in4 loops and the wave velocity is 20 m/s, then the frequency of the string will be_______
A. 2 Hz
B. 5 Hz
C. 7.5 m
D. 10 Hz
Answer:B
Standing waves are produced in a stretched string of length 8 m. If the string vibrates in4 loops and the wave velocity is 20 m/s, then the frequency of the string will be_______
A. 2 Hz B. 5 Hz C. 7.5 m D. 10 Hz