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Home  >>  JEEMAIN and AIPMT  >>  Physics  >>  Class11  >>  Units and Measurement
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A system takes $70.40 \;seconds$ to complete 20 oscillations. the time period of the system is :

$\begin{array}{1 1} 3.52\;s \\35.2 \times 10\;s \\ 3.520\;s \\3.5200\;s \end{array} $

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Answer : $ 3.520\;s $
Four significant figures are required in the result.
answered Aug 12, 2014 by meena.p

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