The equation of motion of a particle in SHM is a + 16π²x = 0 . Here ‘a’ is linear acceleration of the particle at displacement ‘x’ (a, x are in
SI). Its time period is

• A

  $\frac{1}{4} \mathrm{s}$

• B

  $\frac{1}{2} \mathrm{s}$

• C

  1s

• D

  2s