Oscillations Ques 5

5. A particle of mass $m$ oscillates along $x$-axis according to equation $x-a \sin \omega t$. The nature of the graph between momentum and displacement of the particle is

[NEET Kar. 2013]

(a) straight line passing through origin

(b) circle

(c) hyperbola

(d) ellipse

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Answer:

Correct Answer: 5.(d)

Solution: (d) As $\frac{v^2}{a^2 \omega^2}+\frac{y^2}{a^2}=1$

This is the equation of ellipse. Hence the graph is an ellipse. $P$ versus $x$ graph is similar to $v$ versus $x$ graph.