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Two small particles P and Q each of mass...

Two small particles P and Q each of mass m are fixed along x-axis at points (a,0) and (-a,0). A third particle R is kept at origin. Then

A

if particle R is displaced along x-axis it will start oscillating.

B

oscillations of R along x-axis are simple harmonic in nature

C

if R is displaced of R along y-axis, it starts oscillating

D

oscillations along y-axis may be simple harmonic in nature.

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The correct Answer is:
C, D
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