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A particle moves with simple harmonic motion in a straight line. In first τ s, after starting from rest it travels a distance a and in next τ s it travels 2a, in same direction, then -

1. time period of oscillations is 8 τ
2. amplitude of motion is 4a
3. time period of oscillations is 6 τ
4. amplitude of motion is 3a

Correct answer: time period of oscillations is 6 τ

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