![The least count of a stop watch is 0.1s. The time of 20 oscillations](https://www.gkseries.com/blog/wp-content/uploads/2022/10/The-least-count-of-a-stop-watch-is-0.1s.-The-time-of-20-oscillations.png)
Q. The least count of a stop watch is 0.1s. The time of 20 oscillations of the pendulum is found to be 20s. The percentage error in the time period is
- 0.25%
- 0.75%
- 0.50%
- 1.0%
Answer: 0.50%
Q. The least count of a stop watch is 0.1s. The time of 20 oscillations of the pendulum is found to be 20s. The percentage error in the time period is
Answer: 0.50%
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