A string fixed at both ends forms standing waves with node separation of 5 cm. If the velocity of waves traveling time string is 4 m/s, then the frequency or vibration of the string will be_______
A. 20 Hz
B. 30 Hz
C. 40 Hz
D. 50 Hz
Answer:C
A string fixed at both ends forms standing waves with node separation of 5 cm. If the velocity of waves traveling time string is 4 m/s, then the frequency or vibration of the string will be_______
A. 20 Hz B. 30 Hz C. 40 Hz D. 50 Hz