The potential energy of a simple harmonic oscillator of mass $2\, kg$ in its mean position is $5\, J.$ If its total energy is $9\,J$ and its amplitude is $0.01\, m,$ its time period would be
  • A$\pi /10\, sec$
  • B$\pi /20 \, sec$
  • C$\pi /50 \, sec$
  • D$\pi /100 \, sec$
Diffcult
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