Mathematics · Errors and Dimensions
In an experiment to determine the acceleration due to gravity (g) using a simple pendulum, a time period of 0.5 s is calculated by measuring the time of 100 oscillations with a watch of 1 s resolution. If the measured value of the length is 10 cm, known to an accuracy of 1 mm, the percentage error x% in the determination of g is:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 10.5%
- 21%
- 32%
- 45%✓
Correct answer
5%
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