100, 150, 200, and 250Hz. One of the resonant frequencies (below 200Hz) is missing. What is it.
A. 25Hz
B. 50Hz
C. 75Hz
D. 125Hz
Answer:B
100, 150, 200, and 250Hz. One of the resonant frequencies (below 200Hz) is missing. What is it.
A. 25Hz B. 50Hz C. 75Hz D. 125Hz