Units and Measurements

Section: Physics

Question : 33 of 34

Marks: +1, -0

A student uses a simple pendulum of exactly 1 m length to determine g, the acceleration due to gravity. He uses a stopwatch with the least count of 1 s for this and records 40 s for 20 oscillations. For this observation, which of the following statement(s) is(are) true?

[JEE Adv 2010 P1]

Error ΔT in measuring T, the time period, is 0.05 s.
Error ΔT in measuring T, the time period, is 1 s.
Percentage error in the determination of g is 5%.
Percentage error in the determination of g is 2.5%.

Validate

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