the mean value of period of oscillation of a simple pendulum in an experiment is 2.825sec. the arithmetic mean of all the absolute errors is 0.11sec. round off the period of simple pendulum to approximate number of significant figures. give reason.
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The period of simple pendulum to approximate number of significant figures is 2.8 seconds
Explanation:
Given:
The mean value of period of oscillation of simple pendulum in an experiment is 2.825 seconds
The arithmetic mean of all the absolute errors = 0.11 seconds
To find out:
Period of oscillation to approximate number of significant figures
Solution:
As we can see the number of significant figures in the absolute error is 0.11 seconds
Therefore, the final answer of the period of oscillation of the pendulum will also have 2 significant figures
If we write the mean value of period of oscillation up to two significant figures, we get the period of oscillation as 2.8 seconds
Hope this answer is helpful.
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