21 Identify the correct definition 1 If after every certain

Last updated: 6/10/2023

21 Identify the correct definition 1 If after every certain interval of time particle repeats its motion then motion is called periodic motion 2 To and fro motion of a particle over the same path about its mean position in certain time interval is called oscillatory motion 3 Oscillatory motion described in terms of single sine and cosine functions is called simple harmonic motion 4 All of these