A) 2 Hz
B) 4 Hz
C) 5 Hz
D) 10 Hz
Correct Answer: C
Solution :
String vibrates in five segment so \[\frac{5}{2}\lambda =l\]Þ \[\lambda =\frac{2l}{5}\] Hence \[n=\frac{v}{\lambda }=5\times \frac{v}{2l}\]\[=5\times \frac{20}{2\times 10}=5\]\[Hz\]You need to login to perform this action.
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