What is the difference between Oscillatory motion and periodic motion Share with your friends Share 0 Sanjay Singh answered this Dear student periodic motion is a motion which repeats itself after after regular interval of time but the periodic motion may not beoscillatory.Oscillatory motion are to and fro motion about a particular point which is periodic .Every oscillatory motion is periodic but every periodic motion is not oscillatory.Regards 0 View Full Answer Rhythm Dahiya answered this a motion done by oscillator -2 Daya Lakshmi answered this oscillatory motion is a motion where an object moves to and fro in a semi circular path,in periodic motion the intervals are same where as in oscillatory motion the intervals are not same 0 Anushka Singh answered this motion:- a body is said to be in motion, if it changes its position with respect to the stationary objects in its surrounding. when the WHOLE BODY moves in to- and - fro about its mean position, its movement or motion is called an oscillatory motion whereas the periodic motion is a motion that repeats itself after a regular interval of time. The heart beat of a normal person and the motion of the moon revolving around the Earth are some examples of periodic motion. 1