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Home  >>  JEEMAIN and AIPMT  >>  Physics  >>  Class11  >>  Units and Measurement
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The length of string of a simple pendulum as measured by a meter scale was found to be $98.2 \;cm$ The diameter of the bob was measured by a vernier caliper and it was found to be $3.62\;cm$ The time for 10 oscillations was found to be $21.2\; s$ Suggest method to improve the accuracy of the result.

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Percentage error introduced by limited accuracy of measurement of l is only $0.1\%$ while due to measurement of time is $0.94\%$ .
As $\delta t$ is fixed equal to least count of stop watch , to improve the situation , t must be increased .
In another words time for more number of oscillation must be recorded.
answered Jul 11, 2014 by meena.p
 

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