The motion of a particle executing $S.H.M.$ is given by $x = 0.01\sin 100\pi (t + .05)$, where $x$ is in metres and time is in seconds. The time period is ..... $\sec$
  • A$0.01$
  • B$0.02$
  • C$0.1 $
  • D$0.2$
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