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PART - 2 CH - 13 Oscillations — Physics STD 11 Science — Question

Rajasthan BoardEnglish MediumSTD 11 SciencePhysicsPART - 2 CH - 13 Oscillations1 Mark
Question
The following example represent periodic motion :
A swimmer completing one (return) trip from one bank of a river to the other and back.
✓

Answer

It does not represent periodic motion because the swimmer moves between fixed point, but his time
is not fixed.

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