A) 71.75 cm
B) 7.175 cm
C) 6.02 cm
D) 0.07 cm
Correct Answer: D
Solution :
For 3rd harmonic, \[f=3{{f}_{0}}=1.2\times {{10}^{6}}\] \[{{f}_{0}}=\frac{2.87\times {{10}^{4}}}{s}=1.2\times {{10}^{6}}\] or \[s=0.07175\,\,cm\]You need to login to perform this action.
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