Please answer the 16th question.

16.
    ​A particle moves on a circular path of radius R as shown in figure. The distance travelled and displacement of the particle from point A to point C respectively are 
 
A .       πR 2 ,   2 R                                                               B .           πR ,   2 R C .         πR 2 ,   πR 2                                                         D .           πR ,   πR

Dear student,
Here is the solution of your asked query:
Distance travelled from A to C is  from A to B to C i.e. circumference of semicircle.So, Distance travelled from point A to C = Circumference of semicircle = πRAnd displacement from point A to C = Diameter of circle = 2×radius = 2RHence, option (B) is correct.
Regards

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