A student uses a simple pendulum of exactly 1 m length to determine g , the acceleration…
Physics · JEE Advanced · NTA Exams — Physics and Measurement
A student uses a simple pendulum of exactly 1 m length to determine g, the acceleration due to gravity. He uses a stop watch with the least count of 1 sec for this and records 40 seconds for 20 oscillations. For this observation, which of the following statement(s) is (are) true?
- Error
0.05 seconds. - Error
1 second. - Percentage error in the determination of g is 5%.
- Percentage error in the determination of g is 2.5%.
Answer
(C) Percentage error in the determination of g is 5%.
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