A) 5\[\pi \] Hz
B) 1.5 Hz
C) 5 Hz
D) \[\pi \]Hz
Correct Answer: C
Solution :
\[y=1.5\sin (10\pi t+5)\] Comparing with standard equation \[y=a\sin (\omega t+\phi )\] Frequency, \[n=\frac{\omega }{2\pi }=\frac{10\pi }{2\pi }\]
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