Which of the following examples represent periodic motion?

1.	Which of the following examples represent periodic motion?
Answer» <html><body><p>A swimmer completing <a href="https://interviewquestions.tuteehub.com/tag/one-585732" style="font-weight:bold;" target="_blank" title="Click to know more about ONE">ONE</a> (return) <a href="https://interviewquestions.tuteehub.com/tag/trip-1427711" style="font-weight:bold;" target="_blank" title="Click to know more about TRIP">TRIP</a> from one bank of a river to the other and back.<br/>A freely suspended bar <a href="https://interviewquestions.tuteehub.com/tag/magnet-1082747" style="font-weight:bold;" target="_blank" title="Click to know more about MAGNET">MAGNET</a> <a href="https://interviewquestions.tuteehub.com/tag/displaced-440680" style="font-weight:bold;" target="_blank" title="Click to know more about DISPLACED">DISPLACED</a> from its N-S direction and released.<br/>A hydrogen molecule <a href="https://interviewquestions.tuteehub.com/tag/rotating-1191156" style="font-weight:bold;" target="_blank" title="Click to know more about ROTATING">ROTATING</a> about its centre of mass.<br/>An arrow released from a bow.<br/></p>Solution :(b), (c)</body></html>

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