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Which of the following example represent periodic motion? A swimmer completing one (return) trip from one bank of a river to the other and back. - Physics

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Answer in Brief

Which of the following example represent periodic motion?

A swimmer completing one (return) trip from one bank of a river to the other and back.

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Solution

The swimmer’s motion is not periodic. The motion of the swimmer between the banks of a river is back and forth. However, it does not have a definite period. This is because the time taken by the swimmer during his back and forth journey may not be the same.

Concept: Periodic and Oscillatory Motion
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APPEARS IN

NCERT Class 11 Physics
Chapter 14 Oscillations
Exercises | Q 1.1 | Page 357

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