9th Class Science Time and Motion Question Bank MCQs - Motion

  • question_answer
    The minute hand of a wall clock is 14 m long. The distance and displacement covered by the tip of minute hand from 9 : 00 am to 9 : 30 am, are

    A) 88 cm, 28 cm

    B) 28 cm, 44 cm

    C) 28 cm, 88 cm

    D) 28 cm, 28 cm

    Correct Answer: D

    Solution :

    [d] Distance =\[\pi r=\frac{22}{7}\times 14=44\operatorname{cm}\]
    Displacement = \[2r=2\times 14=28\operatorname{cm}\]


You need to login to perform this action.
You will be redirected in 3 sec spinner