A) 1.47 Hz
B) 0.36 Hz
C) 0.73 Hz
D) 2.94 Hz
Correct Answer: A
Solution :
| If T is the time period, then time required for a point to move from maximum displacement is zero displacement is \[\frac{T}{4}\]. |
| \[\therefore \] \[\frac{T}{4}=0.170\] |
| or \[T=0.170\times 4=0.680\,s\] |
| Therefore, the frequency of wave is |
| \[n=\frac{1}{T}=\frac{1}{0.680}=1.47\,Hz\] |
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