A) \[3.62\times {{10}^{4}}\,Hz\]
B) \[5.74\times {{10}^{4}}Hz\]
C) \[28.7\times {{10}^{4}}Hz\]
D) None of these
Correct Answer: B
Solution :
For \[s=0.5\,\,cm\] \[{{f}_{0}}=\frac{2.87\times {{10}^{4}}}{0.5}=5.74\times {{10}^{4}}\,Hz\] So, the plate can vibrate with frequencies \[{{f}_{0}},\,\,2{{f}_{0}},...,\] only.
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