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प्रश्न
A particle is moving in a circular path of radius r. The displacement after half a circle would be:
विकल्प
Zero
πr
2r
2πr
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उत्तर
2r
Displacement is the shortest distance measured from the initial position to the final position.
Therefore, displacement after half a circle is the diameter of the circular path, i.e., 2r
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