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Home  >>  AIMS  >>  Class11  >>  Physics  >>  Units and Measurement
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The time period of oscillation of simple pendulum is given by $ t = 2 \pi \sqrt{\large\frac{l}{g}}$ . What is the accuracy in the determination of ā€˜gā€™ if 10cm length is known to 1mm accuracy and 0.5 s time period is measured from time of 100 oscillations with a watch of 1sec. resolution?

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$ \pm5\%$
Hence (B) is the correct answer
answered Jun 4, 2014 by thanvigandhi_1
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