Question:
A particle is moved in a semi-circular path of radius \(R\). Then
A particle is moved in a semi-circular path of radius \(R\). Then
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In semicircular motion, displacement is the straight-line distance between start and end points, which is the diameter.
Updated On: Apr 29, 2026
- its average velocity is zero
- its average acceleration is zero
- its magnitude of displacement is \(2R\)
- its average velocity and average speed are equal
- its distance travelled is equal to displacement
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The Correct Option is C
Solution and Explanation
For motion along a semicircle of radius \(R\):
Distance travelled:
\[
\pi R
\]
Displacement is the diameter:
\[
2R
\]
Hence the correct statement is:
\[
\boxed{(C)\ \text{its magnitude of displacement is }2R}
\]
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