Question

In case of a simple harmonic motion, if the velocity is plotted along the X-axis and the displacement (from the equilibrium position) is plotted along the Y-axis, the resultant curve happens to be an ellipse with the ratio:
\(\frac{\text { major axis (along X) }}{\text { min or axis (along Y) }}=20 \pi\)
What is the frequency of the simple harmonic motion ?
(A) \(100 \mathrm{~Hz}\)
(B) \(20 \mathrm{~Hz}\)
(C) \(10 \mathrm{~Hz}\)
(D) \(\frac{1}{10} \mathrm{~Hz}\)

Answer 1

Ans: (C)
 \(\frac{\omega \mathrm{A}}{\mathrm{A}}=20 \pi\)
\(\therefore \omega=20 \pi=\mathrm{f} .2 \pi \therefore \mathrm{f}=10 \mathrm{~Hz}\)

Answer 2

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Answer 3

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