A particle moves with simple harmonic motion in a straight line.

Question:

A particle moves with simple harmonic motion in a straight line. In first $\tau \mathrm{s}$, after starting from rest it travels a distance a, and in next $\tau \mathrm{s}$ it travels $2 \mathrm{a}$, in same direction, then :

 

  1. Amplitude of motion is 4 a

  2. Time period of oscillation is $6 \tau$

  3. Amplitude of motion is $3 \mathrm{a}$

  4. Time period of oscillation is $8 \tau$

Correct Option: , 2

Solution:

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