A) 116.4 Hz
B) 120 Hz
C) 122.4 Hz
D) 238.8 Hz
Correct Answer: C
Solution :
The frequency of A \[ta{{n}^{-1}}(\tan \,i)\] and the frequency of B \[{{\cot }^{-1}}(\tan \,i)\] According to question \[\lambda \] \[\lambda \] \[v{{\left( \frac{3}{4} \right)}^{1/2}}\] or \[v{{\left( \frac{4}{3} \right)}^{1/2}}\] \[{{\left( \frac{4}{3} \right)}^{1/2}}\] \[{{\left( \frac{4}{3} \right)}^{1/2}}\] The frequency of A \[\overset{0}{\mathop{A}}\,\] \[1.33\times {{10}^{11}}N/{{m}^{2}}\]
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