Identify the correct definition.

  • A
    If after every certain interval of time,a particle repeats its motion,then the motion is called periodic motion.
  • B
    To and fro motion of a particle over the same path about its mean position in a certain time interval is called oscillatory motion.
  • C
    Oscillatory motion described in terms of single sine and cosine functions is called simple harmonic motion.
  • D
    All of these.

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