Amplitude of oscillation of a particle that executes SHM is 2 cm. Its displacement from its mean position in a time equal to1/6^th of its
time period is

• A

  $\sqrt{2}\mathrm{cm}$

• B

  $\sqrt{3}\mathrm{cm}$

• C

  $\frac{1}{\sqrt{2}}\mathrm{cm}$

• D

  $\frac{1}{\sqrt{3}}\mathrm{cm}$