A student measures the time period of 100 oscillations of a simple pendulum four times…
Physics · JEE Advanced · NTA Exams — Physics and Measurement
A student measures the time period of 100 oscillations of a simple pendulum four times. The data set is 90 s, 91s, 95 s and 92 s. If the minimum division in the measuring clock is 1 s, then the reported mean time should be :
- 92 ± 5.0 s
- 92 ± 1.8 s
- 92 ± 3 s
- 92 ± 2 s
Answer
(D) 92 ± 2 s
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